240 files changed, 650 insertions, 647 deletions

diff --git a/crates/ra_assists/src/handlers/add_missing_impl_members.rs b/crates/ra_assists/src/handlers/add_missing_impl_members.rs
index a2d9006e4..4f377e37f 100644
--- a/crates/ra_assists/src/handlers/add_missing_impl_members.rs
+++ b/crates/ra_assists/src/handlers/add_missing_impl_members.rs
@@ -118,7 +118,7 @@ fn add_missing_impl_members_inner(
 
     let def_name = |item: &ast::AssocItem| -> Option<SmolStr> {
         match item {
-            ast::AssocItem::FnDef(def) => def.name(),
+            ast::AssocItem::Fn(def) => def.name(),
             ast::AssocItem::TypeAliasDef(def) => def.name(),
             ast::AssocItem::ConstDef(def) => def.name(),
             ast::AssocItem::MacroCall(_) => None,
@@ -129,13 +129,13 @@ fn add_missing_impl_members_inner(
     let missing_items = get_missing_assoc_items(&ctx.sema, &impl_def)
         .iter()
         .map(|i| match i {
-            hir::AssocItem::Function(i) => ast::AssocItem::FnDef(i.source(ctx.db()).value),
+            hir::AssocItem::Function(i) => ast::AssocItem::Fn(i.source(ctx.db()).value),
             hir::AssocItem::TypeAlias(i) => ast::AssocItem::TypeAliasDef(i.source(ctx.db()).value),
             hir::AssocItem::Const(i) => ast::AssocItem::ConstDef(i.source(ctx.db()).value),
         })
         .filter(|t| def_name(&t).is_some())
         .filter(|t| match t {
-            ast::AssocItem::FnDef(def) => match mode {
+            ast::AssocItem::Fn(def) => match mode {
                 AddMissingImplMembersMode::DefaultMethodsOnly => def.body().is_some(),
                 AddMissingImplMembersMode::NoDefaultMethods => def.body().is_none(),
             },
@@ -158,7 +158,7 @@ fn add_missing_impl_members_inner(
             .into_iter()
             .map(|it| ast_transform::apply(&*ast_transform, it))
             .map(|it| match it {
-                ast::AssocItem::FnDef(def) => ast::AssocItem::FnDef(add_body(def)),
+                ast::AssocItem::Fn(def) => ast::AssocItem::Fn(add_body(def)),
                 ast::AssocItem::TypeAliasDef(def) => {
                     ast::AssocItem::TypeAliasDef(def.remove_bounds())
                 }
@@ -174,7 +174,7 @@ fn add_missing_impl_members_inner(
             Some(cap) => {
                 let mut cursor = Cursor::Before(first_new_item.syntax());
                 let placeholder;
-                if let ast::AssocItem::FnDef(func) = &first_new_item {
+                if let ast::AssocItem::Fn(func) = &first_new_item {
                     if let Some(m) = func.syntax().descendants().find_map(ast::MacroCall::cast) {
                         if m.syntax().text() == "todo!()" {
                             placeholder = m;
@@ -192,7 +192,7 @@ fn add_missing_impl_members_inner(
     })
 }
 
-fn add_body(fn_def: ast::FnDef) -> ast::FnDef {
+fn add_body(fn_def: ast::Fn) -> ast::Fn {
     if fn_def.body().is_some() {
         return fn_def;
     }
diff --git a/crates/ra_assists/src/handlers/change_return_type_to_result.rs b/crates/ra_assists/src/handlers/change_return_type_to_result.rs
index def00f7d8..52e24af6c 100644
--- a/crates/ra_assists/src/handlers/change_return_type_to_result.rs
+++ b/crates/ra_assists/src/handlers/change_return_type_to_result.rs
@@ -20,7 +20,7 @@ use test_utils::mark;
 pub(crate) fn change_return_type_to_result(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
     let ret_type = ctx.find_node_at_offset::<ast::RetType>()?;
     // FIXME: extend to lambdas as well
-    let fn_def = ret_type.syntax().parent().and_then(ast::FnDef::cast)?;
+    let fn_def = ret_type.syntax().parent().and_then(ast::Fn::cast)?;
 
     let type_ref = &ret_type.type_ref()?;
     let ret_type_str = type_ref.syntax().text().to_string();
diff --git a/crates/ra_assists/src/handlers/change_visibility.rs b/crates/ra_assists/src/handlers/change_visibility.rs
index 4343b423c..67b46376e 100644
--- a/crates/ra_assists/src/handlers/change_visibility.rs
+++ b/crates/ra_assists/src/handlers/change_visibility.rs
@@ -2,7 +2,7 @@ use ra_syntax::{
     ast::{self, NameOwner, VisibilityOwner},
     AstNode,
     SyntaxKind::{
-        CONST_DEF, ENUM_DEF, FN_DEF, MODULE, STATIC_DEF, STRUCT_DEF, TRAIT_DEF, VISIBILITY,
+        CONST_DEF, ENUM_DEF, FN, MODULE, STATIC_DEF, STRUCT_DEF, TRAIT_DEF, VISIBILITY,
     },
     T,
 };
@@ -38,7 +38,7 @@ fn add_vis(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
 
     let (offset, target) = if let Some(keyword) = item_keyword {
         let parent = keyword.parent();
-        let def_kws = vec![CONST_DEF, STATIC_DEF, FN_DEF, MODULE, STRUCT_DEF, ENUM_DEF, TRAIT_DEF];
+        let def_kws = vec![CONST_DEF, STATIC_DEF, FN, MODULE, STRUCT_DEF, ENUM_DEF, TRAIT_DEF];
         // Parent is not a definition, can't add visibility
         if !def_kws.iter().any(|&def_kw| def_kw == parent.kind()) {
             return None;
diff --git a/crates/ra_assists/src/handlers/early_return.rs b/crates/ra_assists/src/handlers/early_return.rs
index 330459f3c..3650289fd 100644
--- a/crates/ra_assists/src/handlers/early_return.rs
+++ b/crates/ra_assists/src/handlers/early_return.rs
@@ -8,7 +8,7 @@ use ra_syntax::{
         make,
     },
     AstNode,
-    SyntaxKind::{FN_DEF, LOOP_EXPR, L_CURLY, R_CURLY, WHILE_EXPR, WHITESPACE},
+    SyntaxKind::{FN, LOOP_EXPR, L_CURLY, R_CURLY, WHILE_EXPR, WHITESPACE},
     SyntaxNode,
 };
 
@@ -88,7 +88,7 @@ pub(crate) fn convert_to_guarded_return(acc: &mut Assists, ctx: &AssistContext)
 
     let early_expression: ast::Expr = match parent_container.kind() {
         WHILE_EXPR | LOOP_EXPR => make::expr_continue(),
-        FN_DEF => make::expr_return(),
+        FN => make::expr_return(),
         _ => return None,
     };
 
diff --git a/crates/ra_assists/src/handlers/generate_function.rs b/crates/ra_assists/src/handlers/generate_function.rs
index b721b96bb..006d0ffb2 100644
--- a/crates/ra_assists/src/handlers/generate_function.rs
+++ b/crates/ra_assists/src/handlers/generate_function.rs
@@ -82,7 +82,7 @@ struct FunctionTemplate {
     insert_offset: TextSize,
     placeholder_expr: ast::MacroCall,
     leading_ws: String,
-    fn_def: ast::FnDef,
+    fn_def: ast::Fn,
     trailing_ws: String,
     file: FileId,
 }
diff --git a/crates/ra_assists/src/handlers/generate_new.rs b/crates/ra_assists/src/handlers/generate_new.rs
index 25bc171bf..4dff0ae4d 100644
--- a/crates/ra_assists/src/handlers/generate_new.rs
+++ b/crates/ra_assists/src/handlers/generate_new.rs
@@ -160,7 +160,7 @@ fn find_struct_impl(ctx: &AssistContext, strukt: &ast::StructDef) -> Option<Opti
 fn has_new_fn(imp: &ast::ImplDef) -> bool {
     if let Some(il) = imp.assoc_item_list() {
         for item in il.assoc_items() {
-            if let ast::AssocItem::FnDef(f) = item {
+            if let ast::AssocItem::Fn(f) = item {
                 if let Some(name) = f.name() {
                     if name.text().eq_ignore_ascii_case("new") {
                         return true;
diff --git a/crates/ra_assists/src/handlers/introduce_named_lifetime.rs b/crates/ra_assists/src/handlers/introduce_named_lifetime.rs
index 967593031..f3774fab1 100644
--- a/crates/ra_assists/src/handlers/introduce_named_lifetime.rs
+++ b/crates/ra_assists/src/handlers/introduce_named_lifetime.rs
@@ -38,7 +38,7 @@ pub(crate) fn introduce_named_lifetime(acc: &mut Assists, ctx: &AssistContext) -
     let lifetime_token = ctx
         .find_token_at_offset(SyntaxKind::LIFETIME)
         .filter(|lifetime| lifetime.text() == "'_")?;
-    if let Some(fn_def) = lifetime_token.ancestors().find_map(ast::FnDef::cast) {
+    if let Some(fn_def) = lifetime_token.ancestors().find_map(ast::Fn::cast) {
         generate_fn_def_assist(acc, &fn_def, lifetime_token.text_range())
     } else if let Some(impl_def) = lifetime_token.ancestors().find_map(ast::ImplDef::cast) {
         generate_impl_def_assist(acc, &impl_def, lifetime_token.text_range())
@@ -50,7 +50,7 @@ pub(crate) fn introduce_named_lifetime(acc: &mut Assists, ctx: &AssistContext) -
 /// Generate the assist for the fn def case
 fn generate_fn_def_assist(
     acc: &mut Assists,
-    fn_def: &ast::FnDef,
+    fn_def: &ast::Fn,
     lifetime_loc: TextRange,
 ) -> Option<()> {
     let param_list: ast::ParamList = fn_def.param_list()?;
diff --git a/crates/ra_assists/src/handlers/move_bounds.rs b/crates/ra_assists/src/handlers/move_bounds.rs
index 6b73fff44..dae6198ed 100644
--- a/crates/ra_assists/src/handlers/move_bounds.rs
+++ b/crates/ra_assists/src/handlers/move_bounds.rs
@@ -37,7 +37,7 @@ pub(crate) fn move_bounds_to_where_clause(acc: &mut Assists, ctx: &AssistContext
 
     let anchor = match_ast! {
         match parent {
-            ast::FnDef(it) => it.body()?.syntax().clone().into(),
+            ast::Fn(it) => it.body()?.syntax().clone().into(),
             ast::TraitDef(it) => it.assoc_item_list()?.syntax().clone().into(),
             ast::ImplDef(it) => it.assoc_item_list()?.syntax().clone().into(),
             ast::EnumDef(it) => it.variant_list()?.syntax().clone().into(),
diff --git a/crates/ra_assists/src/utils.rs b/crates/ra_assists/src/utils.rs
index 27c33df23..4478ea0e2 100644
--- a/crates/ra_assists/src/utils.rs
+++ b/crates/ra_assists/src/utils.rs
@@ -66,7 +66,7 @@ pub fn get_missing_assoc_items(
     if let Some(item_list) = impl_def.assoc_item_list() {
         for item in item_list.assoc_items() {
             match item {
-                ast::AssocItem::FnDef(f) => {
+                ast::AssocItem::Fn(f) => {
                     if let Some(n) = f.name() {
                         impl_fns_consts.insert(n.syntax().to_string());
                     }
diff --git a/crates/ra_hir/src/has_source.rs b/crates/ra_hir/src/has_source.rs
index 76c32fc17..f32b8cbb9 100644
--- a/crates/ra_hir/src/has_source.rs
+++ b/crates/ra_hir/src/has_source.rs
@@ -81,8 +81,8 @@ impl HasSource for EnumVariant {
     }
 }
 impl HasSource for Function {
-    type Ast = ast::FnDef;
-    fn source(self, db: &dyn HirDatabase) -> InFile<ast::FnDef> {
+    type Ast = ast::Fn;
+    fn source(self, db: &dyn HirDatabase) -> InFile<ast::Fn> {
         self.id.lookup(db.upcast()).source(db.upcast())
     }
 }
diff --git a/crates/ra_hir/src/semantics.rs b/crates/ra_hir/src/semantics.rs
index 1436b1afe..0b634f23e 100644
--- a/crates/ra_hir/src/semantics.rs
+++ b/crates/ra_hir/src/semantics.rs
@@ -585,7 +585,7 @@ to_def_impls![
     (crate::TypeAlias, ast::TypeAliasDef, type_alias_to_def),
     (crate::Const, ast::ConstDef, const_to_def),
     (crate::Static, ast::StaticDef, static_to_def),
-    (crate::Function, ast::FnDef, fn_to_def),
+    (crate::Function, ast::Fn, fn_to_def),
     (crate::Field, ast::RecordFieldDef, record_field_to_def),
     (crate::Field, ast::TupleFieldDef, tuple_field_to_def),
     (crate::EnumVariant, ast::EnumVariant, enum_variant_to_def),
diff --git a/crates/ra_hir/src/semantics/source_to_def.rs b/crates/ra_hir/src/semantics/source_to_def.rs
index 42e5a1bdb..4118de2e2 100644
--- a/crates/ra_hir/src/semantics/source_to_def.rs
+++ b/crates/ra_hir/src/semantics/source_to_def.rs
@@ -71,7 +71,7 @@ impl SourceToDefCtx<'_, '_> {
     pub(super) fn impl_to_def(&mut self, src: InFile<ast::ImplDef>) -> Option<ImplId> {
         self.to_def(src, keys::IMPL)
     }
-    pub(super) fn fn_to_def(&mut self, src: InFile<ast::FnDef>) -> Option<FunctionId> {
+    pub(super) fn fn_to_def(&mut self, src: InFile<ast::Fn>) -> Option<FunctionId> {
         self.to_def(src, keys::FUNCTION)
     }
     pub(super) fn struct_to_def(&mut self, src: InFile<ast::StructDef>) -> Option<StructId> {
@@ -171,7 +171,7 @@ impl SourceToDefCtx<'_, '_> {
                         let def = self.impl_to_def(container.with_value(it))?;
                         def.into()
                     },
-                    ast::FnDef(it) => {
+                    ast::Fn(it) => {
                         let def = self.fn_to_def(container.with_value(it))?;
                         DefWithBodyId::from(def).into()
                     },
@@ -213,7 +213,7 @@ impl SourceToDefCtx<'_, '_> {
         for container in src.cloned().ancestors_with_macros(self.db.upcast()).skip(1) {
             let res: GenericDefId = match_ast! {
                 match (container.value) {
-                    ast::FnDef(it) => self.fn_to_def(container.with_value(it))?.into(),
+                    ast::Fn(it) => self.fn_to_def(container.with_value(it))?.into(),
                     ast::StructDef(it) => self.struct_to_def(container.with_value(it))?.into(),
                     ast::EnumDef(it) => self.enum_to_def(container.with_value(it))?.into(),
                     ast::TraitDef(it) => self.trait_to_def(container.with_value(it))?.into(),
@@ -233,7 +233,7 @@ impl SourceToDefCtx<'_, '_> {
                 match (container.value) {
                     ast::ConstDef(it) => self.const_to_def(container.with_value(it))?.into(),
                     ast::StaticDef(it) => self.static_to_def(container.with_value(it))?.into(),
-                    ast::FnDef(it) => self.fn_to_def(container.with_value(it))?.into(),
+                    ast::Fn(it) => self.fn_to_def(container.with_value(it))?.into(),
                     _ => continue,
                 }
             };
diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index 5c57d8bde..6b13f013d 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -627,7 +627,7 @@ impl ExprCollector<'_> {
             .items()
             .filter_map(|item| {
                 let (def, name): (ModuleDefId, Option<ast::Name>) = match item {
-                    ast::Item::FnDef(def) => {
+                    ast::Item::Fn(def) => {
                         let id = self.find_inner_item(&def)?;
                         (
                             FunctionLoc { container: container.into(), id }.intern(self.db).into(),
diff --git a/crates/ra_hir_def/src/item_tree.rs b/crates/ra_hir_def/src/item_tree.rs
index 0bab9c6d8..34fc9ff8e 100644
--- a/crates/ra_hir_def/src/item_tree.rs
+++ b/crates/ra_hir_def/src/item_tree.rs
@@ -413,7 +413,7 @@ macro_rules! mod_items {
 mod_items! {
     Import in imports -> ast::Use,
     ExternCrate in extern_crates -> ast::ExternCrate,
-    Function in functions -> ast::FnDef,
+    Function in functions -> ast::Fn,
     Struct in structs -> ast::StructDef,
     Union in unions -> ast::UnionDef,
     Enum in enums -> ast::EnumDef,
@@ -505,7 +505,7 @@ pub struct Function {
     pub params: Box<[TypeRef]>,
     pub is_varargs: bool,
     pub ret_type: TypeRef,
-    pub ast_id: FileAstId<ast::FnDef>,
+    pub ast_id: FileAstId<ast::Fn>,
 }
 
 #[derive(Debug, Clone, Eq, PartialEq)]
diff --git a/crates/ra_hir_def/src/item_tree/lower.rs b/crates/ra_hir_def/src/item_tree/lower.rs
index 8bd0362dc..2764d8674 100644
--- a/crates/ra_hir_def/src/item_tree/lower.rs
+++ b/crates/ra_hir_def/src/item_tree/lower.rs
@@ -78,7 +78,7 @@ impl Ctx {
             ast::Item::StructDef(_)
             | ast::Item::UnionDef(_)
             | ast::Item::EnumDef(_)
-            | ast::Item::FnDef(_)
+            | ast::Item::Fn(_)
             | ast::Item::TypeAliasDef(_)
             | ast::Item::ConstDef(_)
             | ast::Item::StaticDef(_)
@@ -103,7 +103,7 @@ impl Ctx {
             ast::Item::StructDef(ast) => self.lower_struct(ast).map(Into::into),
             ast::Item::UnionDef(ast) => self.lower_union(ast).map(Into::into),
             ast::Item::EnumDef(ast) => self.lower_enum(ast).map(Into::into),
-            ast::Item::FnDef(ast) => self.lower_function(ast).map(Into::into),
+            ast::Item::Fn(ast) => self.lower_function(ast).map(Into::into),
             ast::Item::TypeAliasDef(ast) => self.lower_type_alias(ast).map(Into::into),
             ast::Item::StaticDef(ast) => self.lower_static(ast).map(Into::into),
             ast::Item::ConstDef(ast) => Some(self.lower_const(ast).into()),
@@ -155,7 +155,7 @@ impl Ctx {
 
     fn lower_assoc_item(&mut self, item: &ast::AssocItem) -> Option<AssocItem> {
         match item {
-            ast::AssocItem::FnDef(ast) => self.lower_function(ast).map(Into::into),
+            ast::AssocItem::Fn(ast) => self.lower_function(ast).map(Into::into),
             ast::AssocItem::TypeAliasDef(ast) => self.lower_type_alias(ast).map(Into::into),
             ast::AssocItem::ConstDef(ast) => Some(self.lower_const(ast).into()),
             ast::AssocItem::MacroCall(ast) => self.lower_macro_call(ast).map(Into::into),
@@ -277,7 +277,7 @@ impl Ctx {
         Some(res)
     }
 
-    fn lower_function(&mut self, func: &ast::FnDef) -> Option<FileItemTreeId<Function>> {
+    fn lower_function(&mut self, func: &ast::Fn) -> Option<FileItemTreeId<Function>> {
         let visibility = self.lower_visibility(func);
         let name = func.name()?.as_name();
 
@@ -547,7 +547,7 @@ impl Ctx {
                     self.collect_inner_items(item.syntax());
                     let attrs = Attrs::new(&item, &self.hygiene);
                     let id: ModItem = match item {
-                        ast::ExternItem::FnDef(ast) => {
+                        ast::ExternItem::Fn(ast) => {
                             let func = self.lower_function(&ast)?;
                             self.data().functions[func.index].is_unsafe = true;
                             func.into()
diff --git a/crates/ra_hir_def/src/item_tree/tests.rs b/crates/ra_hir_def/src/item_tree/tests.rs
index 3f2e29d9e..4e2f6008b 100644
--- a/crates/ra_hir_def/src/item_tree/tests.rs
+++ b/crates/ra_hir_def/src/item_tree/tests.rs
@@ -240,9 +240,9 @@ fn smoke() {
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_const"))] }, input: None }]) }]
             > Const { name: Some(Name(Text("CONST"))), visibility: RawVisibilityId("pub(self)"), type_ref: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("u8"))] }, generic_args: [None] }), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::ConstDef>(9) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_method"))] }, input: None }]) }]
-            > Function { name: Name(Text("method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Shared)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(10) }
+            > Function { name: Name(Text("method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Shared)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(10) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("assoc_dfl_method"))] }, input: None }]) }]
-            > Function { name: Name(Text("dfl_method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Mut)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(11) }
+            > Function { name: Name(Text("dfl_method")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: true, is_unsafe: false, params: [Reference(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Self"))] }, generic_args: [None] }), Mut)], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(11) }
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct0"))] }, input: None }]) }]
             Struct { name: Name(Text("Struct0")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), fields: Unit, ast_id: FileAstId::<ra_syntax::ast::generated::nodes::StructDef>(3), kind: Unit }
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("struct1"))] }, input: None }]) }]
@@ -275,12 +275,12 @@ fn simple_inner_items() {
 
             top-level items:
             Impl { generic_params: GenericParamsId(0), target_trait: Some(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("D"))] }, generic_args: [None] })), target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Response"))] }, generic_args: [Some(GenericArgs { args: [Type(Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("T"))] }, generic_args: [None] }))], has_self_type: false, bindings: [] })] }), is_negative: false, items: [Function(Idx::<Function>(1))], ast_id: FileAstId::<ra_syntax::ast::generated::nodes::ImplDef>(0) }
-            > Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
+            > Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(1) }
 
             inner items:
 
             for AST FileAstId::<ra_syntax::ast::generated::nodes::Item>(2):
-            Function { name: Name(Text("end")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
+            Function { name: Name(Text("end")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(2) }
 
         "#]],
     );
@@ -303,9 +303,9 @@ fn extern_attrs() {
 
             top-level items:
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
-            Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
+            Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(1) }
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
-            Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
+            Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(2) }
         "##]],
     );
 }
@@ -329,9 +329,9 @@ fn trait_attrs() {
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("trait_attr"))] }, input: None }]) }]
             Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(0), auto: false, items: [Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<ra_syntax::ast::generated::nodes::TraitDef>(0) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }]) }]
-            > Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
+            > Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(1) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
-            > Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
+            > Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(2) }
         "##]],
     );
 }
@@ -355,9 +355,9 @@ fn impl_attrs() {
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("impl_attr"))] }, input: None }]) }]
             Impl { generic_params: GenericParamsId(4294967295), target_trait: None, target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("Ty"))] }, generic_args: [None] }), is_negative: false, items: [Function(Idx::<Function>(0)), Function(Idx::<Function>(1))], ast_id: FileAstId::<ra_syntax::ast::generated::nodes::ImplDef>(0) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }]) }]
-            > Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
+            > Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(1) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
-            > Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
+            > Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(2) }
         "##]],
     );
 }
@@ -408,13 +408,13 @@ fn inner_item_attrs() {
             inner attrs: Attrs { entries: None }
 
             top-level items:
-            Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(0) }
+            Function { name: Name(Text("foo")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(0) }
 
             inner items:
 
             for AST FileAstId::<ra_syntax::ast::generated::nodes::Item>(1):
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_inner"))] }, input: None }]) }]
-            Function { name: Name(Text("inner")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
+            Function { name: Name(Text("inner")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], is_varargs: false, ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::Fn>(1) }
 
         "##]],
     );
diff --git a/crates/ra_hir_def/src/keys.rs b/crates/ra_hir_def/src/keys.rs
index a7349a21d..7fed5523e 100644
--- a/crates/ra_hir_def/src/keys.rs
+++ b/crates/ra_hir_def/src/keys.rs
@@ -14,7 +14,7 @@ use crate::{
 
 pub type Key<K, V> = crate::dyn_map::Key<InFile<K>, V, AstPtrPolicy<K, V>>;
 
-pub const FUNCTION: Key<ast::FnDef, FunctionId> = Key::new();
+pub const FUNCTION: Key<ast::Fn, FunctionId> = Key::new();
 pub const CONST: Key<ast::ConstDef, ConstId> = Key::new();
 pub const STATIC: Key<ast::StaticDef, StaticId> = Key::new();
 pub const TYPE_ALIAS: Key<ast::TypeAliasDef, TypeAliasId> = Key::new();
diff --git a/crates/ra_hir_ty/src/tests.rs b/crates/ra_hir_ty/src/tests.rs
index 45bc14c37..016e689ff 100644
--- a/crates/ra_hir_ty/src/tests.rs
+++ b/crates/ra_hir_ty/src/tests.rs
@@ -81,7 +81,7 @@ fn check_types_impl(ra_fixture: &str, display_source: bool) {
 fn type_at_range(db: &TestDB, pos: FileRange) -> Ty {
     let file = db.parse(pos.file_id).ok().unwrap();
     let expr = algo::find_node_at_range::<ast::Expr>(file.syntax(), pos.range).unwrap();
-    let fn_def = expr.syntax().ancestors().find_map(ast::FnDef::cast).unwrap();
+    let fn_def = expr.syntax().ancestors().find_map(ast::Fn::cast).unwrap();
     let module = db.module_for_file(pos.file_id);
     let func = *module.child_by_source(db)[keys::FUNCTION]
         .get(&InFile::new(pos.file_id.into(), fn_def))
diff --git a/crates/ra_ide/src/call_hierarchy.rs b/crates/ra_ide/src/call_hierarchy.rs
index c28af8ab3..1fcaf4a32 100644
--- a/crates/ra_ide/src/call_hierarchy.rs
+++ b/crates/ra_ide/src/call_hierarchy.rs
@@ -59,7 +59,7 @@ pub(crate) fn incoming_calls(db: &RootDatabase, position: FilePosition) -> Optio
         if let Some(nav) = syntax.ancestors().find_map(|node| {
             match_ast! {
                 match node {
-                    ast::FnDef(it) => {
+                    ast::Fn(it) => {
                         let def = sema.to_def(&it)?;
                         Some(def.to_nav(sema.db))
                     },
@@ -181,8 +181,8 @@ fn caller() {
     call<|>ee();
 }
 "#,
-            "callee FN_DEF FileId(1) 0..14 3..9",
-            &["caller FN_DEF FileId(1) 15..44 18..24 : [33..39]"],
+            "callee FN FileId(1) 0..14 3..9",
+            &["caller FN FileId(1) 15..44 18..24 : [33..39]"],
             &[],
         );
     }
@@ -197,8 +197,8 @@ fn caller() {
     callee();
 }
 "#,
-            "callee FN_DEF FileId(1) 0..14 3..9",
-            &["caller FN_DEF FileId(1) 15..44 18..24 : [33..39]"],
+            "callee FN FileId(1) 0..14 3..9",
+            &["caller FN FileId(1) 15..44 18..24 : [33..39]"],
             &[],
         );
     }
@@ -214,8 +214,8 @@ fn caller() {
     callee();
 }
 "#,
-            "callee FN_DEF FileId(1) 0..14 3..9",
-            &["caller FN_DEF FileId(1) 15..58 18..24 : [33..39, 47..53]"],
+            "callee FN FileId(1) 0..14 3..9",
+            &["caller FN FileId(1) 15..58 18..24 : [33..39, 47..53]"],
             &[],
         );
     }
@@ -234,10 +234,10 @@ fn caller2() {
     callee();
 }
 "#,
-            "callee FN_DEF FileId(1) 0..14 3..9",
+            "callee FN FileId(1) 0..14 3..9",
             &[
-                "caller1 FN_DEF FileId(1) 15..45 18..25 : [34..40]",
-                "caller2 FN_DEF FileId(1) 47..77 50..57 : [66..72]",
+                "caller1 FN FileId(1) 15..45 18..25 : [34..40]",
+                "caller2 FN FileId(1) 47..77 50..57 : [66..72]",
             ],
             &[],
         );
@@ -263,10 +263,10 @@ mod tests {
     }
 }
 "#,
-            "callee FN_DEF FileId(1) 0..14 3..9",
+            "callee FN FileId(1) 0..14 3..9",
             &[
-                "caller1 FN_DEF FileId(1) 15..45 18..25 : [34..40]",
-                "test_caller FN_DEF FileId(1) 95..149 110..121 : [134..140]",
+                "caller1 FN FileId(1) 15..45 18..25 : [34..40]",
+                "test_caller FN FileId(1) 95..149 110..121 : [134..140]",
             ],
             &[],
         );
@@ -287,8 +287,8 @@ fn caller() {
 //- /foo/mod.rs
 pub fn callee() {}
 "#,
-            "callee FN_DEF FileId(2) 0..18 7..13",
-            &["caller FN_DEF FileId(1) 27..56 30..36 : [45..51]"],
+            "callee FN FileId(2) 0..18 7..13",
+            &["caller FN FileId(1) 27..56 30..36 : [45..51]"],
             &[],
         );
     }
@@ -304,9 +304,9 @@ fn call<|>er() {
     callee();
 }
 "#,
-            "caller FN_DEF FileId(1) 15..58 18..24",
+            "caller FN FileId(1) 15..58 18..24",
             &[],
-            &["callee FN_DEF FileId(1) 0..14 3..9 : [33..39, 47..53]"],
+            &["callee FN FileId(1) 0..14 3..9 : [33..39, 47..53]"],
         );
     }
 
@@ -325,9 +325,9 @@ fn call<|>er() {
 //- /foo/mod.rs
 pub fn callee() {}
 "#,
-            "caller FN_DEF FileId(1) 27..56 30..36",
+            "caller FN FileId(1) 27..56 30..36",
             &[],
-            &["callee FN_DEF FileId(2) 0..18 7..13 : [45..51]"],
+            &["callee FN FileId(2) 0..18 7..13 : [45..51]"],
         );
     }
 
@@ -348,9 +348,9 @@ fn caller3() {
 
 }
 "#,
-            "caller2 FN_DEF FileId(1) 33..64 36..43",
-            &["caller1 FN_DEF FileId(1) 0..31 3..10 : [19..26]"],
-            &["caller3 FN_DEF FileId(1) 66..83 69..76 : [52..59]"],
+            "caller2 FN FileId(1) 33..64 36..43",
+            &["caller1 FN FileId(1) 0..31 3..10 : [19..26]"],
+            &["caller3 FN FileId(1) 66..83 69..76 : [52..59]"],
         );
     }
 
@@ -368,9 +368,9 @@ fn main() {
     a<|>()
 }
 "#,
-            "a FN_DEF FileId(1) 0..18 3..4",
-            &["main FN_DEF FileId(1) 31..52 34..38 : [47..48]"],
-            &["b FN_DEF FileId(1) 20..29 23..24 : [13..14]"],
+            "a FN FileId(1) 0..18 3..4",
+            &["main FN FileId(1) 31..52 34..38 : [47..48]"],
+            &["b FN FileId(1) 20..29 23..24 : [13..14]"],
         );
 
         check_hierarchy(
@@ -385,8 +385,8 @@ fn main() {
     a()
 }
 "#,
-            "b FN_DEF FileId(1) 20..29 23..24",
-            &["a FN_DEF FileId(1) 0..18 3..4 : [13..14]"],
+            "b FN FileId(1) 20..29 23..24",
+            &["a FN FileId(1) 0..18 3..4 : [13..14]"],
             &[],
         );
     }
diff --git a/crates/ra_ide/src/completion/complete_fn_param.rs b/crates/ra_ide/src/completion/complete_fn_param.rs
index d4b6112a5..406334257 100644
--- a/crates/ra_ide/src/completion/complete_fn_param.rs
+++ b/crates/ra_ide/src/completion/complete_fn_param.rs
@@ -19,8 +19,8 @@ pub(super) fn complete_fn_param(acc: &mut Completions, ctx: &CompletionContext)
 
     let mut params = FxHashMap::default();
 
-    let me = ctx.token.ancestors().find_map(ast::FnDef::cast);
-    let mut process_fn = |func: ast::FnDef| {
+    let me = ctx.token.ancestors().find_map(ast::Fn::cast);
+    let mut process_fn = |func: ast::Fn| {
         if Some(&func) == me.as_ref() {
             return;
         }
@@ -34,15 +34,15 @@ pub(super) fn complete_fn_param(acc: &mut Completions, ctx: &CompletionContext)
         match_ast! {
             match node {
                 ast::SourceFile(it) => it.items().filter_map(|item| match item {
-                    ast::Item::FnDef(it) => Some(it),
+                    ast::Item::Fn(it) => Some(it),
                     _ => None,
                 }).for_each(&mut process_fn),
                 ast::ItemList(it) => it.items().filter_map(|item| match item {
-                    ast::Item::FnDef(it) => Some(it),
+                    ast::Item::Fn(it) => Some(it),
                     _ => None,
                 }).for_each(&mut process_fn),
                 ast::AssocItemList(it) => it.assoc_items().filter_map(|item| match item {
-                    ast::AssocItem::FnDef(it) => Some(it),
+                    ast::AssocItem::Fn(it) => Some(it),
                     _ => None,
                 }).for_each(&mut process_fn),
                 _ => continue,
diff --git a/crates/ra_ide/src/completion/complete_keyword.rs b/crates/ra_ide/src/completion/complete_keyword.rs
index 1581b2d5d..b62064797 100644
--- a/crates/ra_ide/src/completion/complete_keyword.rs
+++ b/crates/ra_ide/src/completion/complete_keyword.rs
@@ -169,7 +169,7 @@ fn add_keyword(ctx: &CompletionContext, acc: &mut Completions, kw: &str, snippet
 
 fn complete_return(
     ctx: &CompletionContext,
-    fn_def: &ast::FnDef,
+    fn_def: &ast::Fn,
     can_be_stmt: bool,
 ) -> Option<CompletionItem> {
     let snip = match (can_be_stmt, fn_def.ret_type().is_some()) {
diff --git a/crates/ra_ide/src/completion/complete_trait_impl.rs b/crates/ra_ide/src/completion/complete_trait_impl.rs
index cf716540f..dbb9eecc6 100644
--- a/crates/ra_ide/src/completion/complete_trait_impl.rs
+++ b/crates/ra_ide/src/completion/complete_trait_impl.rs
@@ -2,7 +2,7 @@
 //!
 //! This module adds the completion items related to implementing associated
 //! items within a `impl Trait for Struct` block. The current context node
-//! must be within either a `FN_DEF`, `TYPE_ALIAS_DEF`, or `CONST_DEF` node
+//! must be within either a `FN`, `TYPE_ALIAS_DEF`, or `CONST_DEF` node
 //! and an direct child of an `IMPL_DEF`.
 //!
 //! # Examples
@@ -63,7 +63,7 @@ pub(crate) fn complete_trait_impl(acc: &mut Completions, ctx: &CompletionContext
                     }
                 }),
 
-            SyntaxKind::FN_DEF => {
+            SyntaxKind::FN => {
                 for missing_fn in get_missing_assoc_items(&ctx.sema, &impl_def)
                     .into_iter()
                     .filter_map(|item| match item {
@@ -106,7 +106,7 @@ pub(crate) fn complete_trait_impl(acc: &mut Completions, ctx: &CompletionContext
 
 fn completion_match(ctx: &CompletionContext) -> Option<(SyntaxNode, ImplDef)> {
     let (trigger, impl_def_offset) = ctx.token.ancestors().find_map(|p| match p.kind() {
-        SyntaxKind::FN_DEF
+        SyntaxKind::FN
         | SyntaxKind::TYPE_ALIAS_DEF
         | SyntaxKind::CONST_DEF
         | SyntaxKind::BLOCK_EXPR => Some((p, 2)),
diff --git a/crates/ra_ide/src/completion/completion_context.rs b/crates/ra_ide/src/completion/completion_context.rs
index cc55f6dd6..221d7847e 100644
--- a/crates/ra_ide/src/completion/completion_context.rs
+++ b/crates/ra_ide/src/completion/completion_context.rs
@@ -35,7 +35,7 @@ pub(crate) struct CompletionContext<'a> {
     pub(super) krate: Option<hir::Crate>,
     pub(super) expected_type: Option<Type>,
     pub(super) name_ref_syntax: Option<ast::NameRef>,
-    pub(super) function_syntax: Option<ast::FnDef>,
+    pub(super) function_syntax: Option<ast::Fn>,
     pub(super) use_item_syntax: Option<ast::Use>,
     pub(super) record_lit_syntax: Option<ast::RecordLit>,
     pub(super) record_pat_syntax: Option<ast::RecordPat>,
@@ -349,7 +349,7 @@ impl<'a> CompletionContext<'a> {
             .sema
             .ancestors_with_macros(self.token.parent())
             .take_while(|it| it.kind() != SOURCE_FILE && it.kind() != MODULE)
-            .find_map(ast::FnDef::cast);
+            .find_map(ast::Fn::cast);
 
         self.record_field_syntax = self
             .sema
diff --git a/crates/ra_ide/src/completion/patterns.rs b/crates/ra_ide/src/completion/patterns.rs
index 175209d8a..b8408da4e 100644
--- a/crates/ra_ide/src/completion/patterns.rs
+++ b/crates/ra_ide/src/completion/patterns.rs
@@ -134,7 +134,7 @@ pub(crate) fn is_in_loop_body(element: SyntaxElement) -> bool {
         NodeOrToken::Token(token) => token.parent(),
     };
     for node in leaf.ancestors() {
-        if node.kind() == FN_DEF || node.kind() == LAMBDA_EXPR {
+        if node.kind() == FN || node.kind() == LAMBDA_EXPR {
             break;
         }
         let loop_body = match_ast! {
diff --git a/crates/ra_ide/src/display.rs b/crates/ra_ide/src/display.rs
index 6d4151dd8..e4effc66c 100644
--- a/crates/ra_ide/src/display.rs
+++ b/crates/ra_ide/src/display.rs
@@ -16,7 +16,7 @@ pub use navigation_target::NavigationTarget;
 pub(crate) use navigation_target::{ToNav, TryToNav};
 pub(crate) use short_label::ShortLabel;
 
-pub(crate) fn function_declaration(node: &ast::FnDef) -> String {
+pub(crate) fn function_declaration(node: &ast::Fn) -> String {
     let mut buf = String::new();
     if let Some(vis) = node.visibility() {
         format_to!(buf, "{} ", vis);
diff --git a/crates/ra_ide/src/display/navigation_target.rs b/crates/ra_ide/src/display/navigation_target.rs
index fd245705c..222cb3502 100644
--- a/crates/ra_ide/src/display/navigation_target.rs
+++ b/crates/ra_ide/src/display/navigation_target.rs
@@ -379,7 +379,7 @@ pub(crate) fn docs_from_symbol(db: &RootDatabase, symbol: &FileSymbol) -> Option
 
     match_ast! {
         match node {
-            ast::FnDef(it) => it.doc_comment_text(),
+            ast::Fn(it) => it.doc_comment_text(),
             ast::StructDef(it) => it.doc_comment_text(),
             ast::EnumDef(it) => it.doc_comment_text(),
             ast::TraitDef(it) => it.doc_comment_text(),
@@ -404,7 +404,7 @@ pub(crate) fn description_from_symbol(db: &RootDatabase, symbol: &FileSymbol) ->
 
     match_ast! {
         match node {
-            ast::FnDef(it) => it.short_label(),
+            ast::Fn(it) => it.short_label(),
             ast::StructDef(it) => it.short_label(),
             ast::EnumDef(it) => it.short_label(),
             ast::TraitDef(it) => it.short_label(),
diff --git a/crates/ra_ide/src/display/short_label.rs b/crates/ra_ide/src/display/short_label.rs
index 5588130a1..63863943a 100644
--- a/crates/ra_ide/src/display/short_label.rs
+++ b/crates/ra_ide/src/display/short_label.rs
@@ -7,7 +7,7 @@ pub(crate) trait ShortLabel {
     fn short_label(&self) -> Option<String>;
 }
 
-impl ShortLabel for ast::FnDef {
+impl ShortLabel for ast::Fn {
     fn short_label(&self) -> Option<String> {
         Some(crate::display::function_declaration(self))
     }
diff --git a/crates/ra_ide/src/file_structure.rs b/crates/ra_ide/src/file_structure.rs
index 1f6a3febf..41603480e 100644
--- a/crates/ra_ide/src/file_structure.rs
+++ b/crates/ra_ide/src/file_structure.rs
@@ -111,7 +111,7 @@ fn structure_node(node: &SyntaxNode) -> Option<StructureNode> {
 
     match_ast! {
         match node {
-            ast::FnDef(it) => {
+            ast::Fn(it) => {
                 let mut detail = String::from("fn");
                 if let Some(type_param_list) = it.type_param_list() {
                     collapse_ws(type_param_list.syntax(), &mut detail);
@@ -271,7 +271,7 @@ fn very_obsolete() {}
                         label: "bar1",
                         navigation_range: 43..47,
                         node_range: 40..52,
-                        kind: FN_DEF,
+                        kind: FN,
                         detail: Some(
                             "fn()",
                         ),
@@ -284,7 +284,7 @@ fn very_obsolete() {}
                         label: "bar2",
                         navigation_range: 60..64,
                         node_range: 57..81,
-                        kind: FN_DEF,
+                        kind: FN,
                         detail: Some(
                             "fn<T>(t: T) -> T",
                         ),
@@ -297,7 +297,7 @@ fn very_obsolete() {}
                         label: "bar3",
                         navigation_range: 89..93,
                         node_range: 86..156,
-                        kind: FN_DEF,
+                        kind: FN,
                         detail: Some(
                             "fn<A, B>(a: A, b: B) -> Vec< u32 >",
                         ),
@@ -417,7 +417,7 @@ fn very_obsolete() {}
                         label: "obsolete",
                         navigation_range: 428..436,
                         node_range: 411..441,
-                        kind: FN_DEF,
+                        kind: FN,
                         detail: Some(
                             "fn()",
                         ),
@@ -428,7 +428,7 @@ fn very_obsolete() {}
                         label: "very_obsolete",
                         navigation_range: 481..494,
                         node_range: 443..499,
-                        kind: FN_DEF,
+                        kind: FN,
                         detail: Some(
                             "fn()",
                         ),
diff --git a/crates/ra_ide/src/hover.rs b/crates/ra_ide/src/hover.rs
index d067c339d..4ef7efd26 100644
--- a/crates/ra_ide/src/hover.rs
+++ b/crates/ra_ide/src/hover.rs
@@ -1361,7 +1361,7 @@ fn foo_<|>test() {}
                                     11..19,
                                 ),
                                 name: "foo_test",
-                                kind: FN_DEF,
+                                kind: FN,
                                 container_name: None,
                                 description: None,
                                 docs: None,
diff --git a/crates/ra_ide/src/references.rs b/crates/ra_ide/src/references.rs
index fe1c074d1..8d3452a83 100644
--- a/crates/ra_ide/src/references.rs
+++ b/crates/ra_ide/src/references.rs
@@ -376,7 +376,7 @@ impl Foo {
 }
 "#,
         );
-        check_result(refs, "f FN_DEF FileId(1) 27..43 30..31 Other", &[]);
+        check_result(refs, "f FN FileId(1) 27..43 30..31 Other", &[]);
     }
 
     #[test]
@@ -514,7 +514,7 @@ pub(super) struct Foo<|> {
         let refs = analysis.find_all_refs(pos, None).unwrap().unwrap();
         check_result(
             refs,
-            "quux FN_DEF FileId(1) 19..35 26..30 Other",
+            "quux FN FileId(1) 19..35 26..30 Other",
             &["FileId(2) 16..20 StructLiteral", "FileId(3) 16..20 StructLiteral"],
         );
 
@@ -522,7 +522,7 @@ pub(super) struct Foo<|> {
             analysis.find_all_refs(pos, Some(SearchScope::single_file(bar))).unwrap().unwrap();
         check_result(
             refs,
-            "quux FN_DEF FileId(1) 19..35 26..30 Other",
+            "quux FN FileId(1) 19..35 26..30 Other",
             &["FileId(3) 16..20 StructLiteral"],
         );
     }
@@ -619,7 +619,7 @@ fn main() {
         );
         check_result(
             refs,
-            "new FN_DEF FileId(1) 54..101 61..64 Other",
+            "new FN FileId(1) 54..101 61..64 Other",
             &["FileId(1) 146..149 StructLiteral"],
         );
     }
@@ -646,7 +646,7 @@ fn main() {
         let refs = analysis.find_all_refs(pos, None).unwrap().unwrap();
         check_result(
             refs,
-            "f FN_DEF FileId(1) 26..35 29..30 Other",
+            "f FN FileId(1) 26..35 29..30 Other",
             &["FileId(2) 11..12 Other", "FileId(2) 28..29 StructLiteral"],
         );
     }
diff --git a/crates/ra_ide/src/references/rename.rs b/crates/ra_ide/src/references/rename.rs
index 8735ec53c..d8ffb8c84 100644
--- a/crates/ra_ide/src/references/rename.rs
+++ b/crates/ra_ide/src/references/rename.rs
@@ -149,7 +149,7 @@ fn rename_to_self(
     let source_file = sema.parse(position.file_id);
     let syn = source_file.syntax();
 
-    let fn_def = find_node_at_offset::<ast::FnDef>(syn, position.offset)?;
+    let fn_def = find_node_at_offset::<ast::Fn>(syn, position.offset)?;
     let params = fn_def.param_list()?;
     if params.self_param().is_some() {
         return None; // method already has self param
@@ -221,7 +221,7 @@ fn rename_self_to_param(
     let syn = source_file.syntax();
 
     let text = sema.db.file_text(position.file_id);
-    let fn_def = find_node_at_offset::<ast::FnDef>(syn, position.offset)?;
+    let fn_def = find_node_at_offset::<ast::Fn>(syn, position.offset)?;
     let search_range = fn_def.syntax().text_range();
 
     let mut edits: Vec<SourceFileEdit> = vec![];
diff --git a/crates/ra_ide/src/runnables.rs b/crates/ra_ide/src/runnables.rs
index f612835c2..3b7162b84 100644
--- a/crates/ra_ide/src/runnables.rs
+++ b/crates/ra_ide/src/runnables.rs
@@ -102,7 +102,7 @@ pub(crate) fn runnable(
 ) -> Option<Runnable> {
     match_ast! {
         match item {
-            ast::FnDef(it) => runnable_fn(sema, it, file_id),
+            ast::Fn(it) => runnable_fn(sema, it, file_id),
             ast::Module(it) => runnable_mod(sema, it, file_id),
             _ => None,
         }
@@ -111,7 +111,7 @@ pub(crate) fn runnable(
 
 fn runnable_fn(
     sema: &Semantics<RootDatabase>,
-    fn_def: ast::FnDef,
+    fn_def: ast::Fn,
     file_id: FileId,
 ) -> Option<Runnable> {
     let name_string = fn_def.name()?.text().to_string();
@@ -188,7 +188,7 @@ pub struct TestAttr {
 }
 
 impl TestAttr {
-    fn from_fn(fn_def: &ast::FnDef) -> TestAttr {
+    fn from_fn(fn_def: &ast::Fn) -> TestAttr {
         let ignore = fn_def
             .attrs()
             .filter_map(|attr| attr.simple_name())
@@ -203,7 +203,7 @@ impl TestAttr {
 ///
 /// It may produce false positives, for example, `#[wasm_bindgen_test]` requires a different command to run the test,
 /// but it's better than not to have the runnables for the tests at all.
-fn has_test_related_attribute(fn_def: &ast::FnDef) -> bool {
+fn has_test_related_attribute(fn_def: &ast::Fn) -> bool {
     fn_def
         .attrs()
         .filter_map(|attr| attr.path())
@@ -211,7 +211,7 @@ fn has_test_related_attribute(fn_def: &ast::FnDef) -> bool {
         .any(|attribute_text| attribute_text.contains("test"))
 }
 
-fn has_doc_test(fn_def: &ast::FnDef) -> bool {
+fn has_doc_test(fn_def: &ast::Fn) -> bool {
     fn_def.doc_comment_text().map_or(false, |comment| comment.contains("```"))
 }
 
@@ -246,7 +246,7 @@ fn has_test_function_or_multiple_test_submodules(module: &ast::Module) -> bool {
 
         for item in item_list.items() {
             match item {
-                ast::Item::FnDef(f) => {
+                ast::Item::Fn(f) => {
                     if has_test_related_attribute(&f) {
                         return true;
                     }
@@ -320,7 +320,7 @@ fn bench() {}
                                 4..8,
                             ),
                             name: "main",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -338,7 +338,7 @@ fn bench() {}
                                 26..34,
                             ),
                             name: "test_foo",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -363,7 +363,7 @@ fn bench() {}
                                 62..70,
                             ),
                             name: "test_foo",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -388,7 +388,7 @@ fn bench() {}
                                 89..94,
                             ),
                             name: "bench",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -431,7 +431,7 @@ fn foo() {}
                                 4..8,
                             ),
                             name: "main",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -447,7 +447,7 @@ fn foo() {}
                             full_range: 15..57,
                             focus_range: None,
                             name: "foo",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -493,7 +493,7 @@ impl Data {
                                 4..8,
                             ),
                             name: "main",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -509,7 +509,7 @@ impl Data {
                             full_range: 44..98,
                             focus_range: None,
                             name: "foo",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -570,7 +570,7 @@ mod test_mod {
                                 35..44,
                             ),
                             name: "test_foo1",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -670,7 +670,7 @@ mod root_tests {
                                 107..121,
                             ),
                             name: "nested_test_11",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -695,7 +695,7 @@ mod root_tests {
                                 163..177,
                             ),
                             name: "nested_test_12",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -740,7 +740,7 @@ mod root_tests {
                                 258..271,
                             ),
                             name: "nested_test_2",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -783,7 +783,7 @@ fn test_foo1() {}
                                 36..45,
                             ),
                             name: "test_foo1",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
@@ -831,7 +831,7 @@ fn test_foo1() {}
                                 58..67,
                             ),
                             name: "test_foo1",
-                            kind: FN_DEF,
+                            kind: FN,
                             container_name: None,
                             description: None,
                             docs: None,
diff --git a/crates/ra_ide/src/syntax_highlighting.rs b/crates/ra_ide/src/syntax_highlighting.rs
index d456d5d36..5198727d9 100644
--- a/crates/ra_ide/src/syntax_highlighting.rs
+++ b/crates/ra_ide/src/syntax_highlighting.rs
@@ -464,7 +464,7 @@ fn highlight_element(
     let db = sema.db;
     let mut binding_hash = None;
     let highlight: Highlight = match element.kind() {
-        FN_DEF => {
+        FN => {
             bindings_shadow_count.clear();
             return None;
         }
@@ -713,7 +713,7 @@ fn highlight_name_by_syntax(name: ast::Name) -> Highlight {
         TYPE_PARAM => HighlightTag::TypeParam,
         RECORD_FIELD_DEF => HighlightTag::Field,
         MODULE => HighlightTag::Module,
-        FN_DEF => HighlightTag::Function,
+        FN => HighlightTag::Function,
         CONST_DEF => HighlightTag::Constant,
         STATIC_DEF => HighlightTag::Static,
         ENUM_VARIANT => HighlightTag::EnumVariant,
diff --git a/crates/ra_ide/src/syntax_tree.rs b/crates/ra_ide/src/syntax_tree.rs
index f716a3861..07217e808 100644
--- a/crates/ra_ide/src/syntax_tree.rs
+++ b/crates/ra_ide/src/syntax_tree.rs
@@ -116,7 +116,7 @@ mod tests {
             syn.trim(),
             r#"
 [email protected]
-  FN_DEF@0..11
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -148,7 +148,7 @@ fn test() {
             syn.trim(),
             r#"
 [email protected]
-  FN_DEF@0..60
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -190,7 +190,7 @@ [email protected]
         assert_eq_text!(
             syn.trim(),
             r#"
-FN_DEF@0..11
+[email protected]
   [email protected] "fn"
   [email protected] " "
   [email protected]
@@ -258,7 +258,7 @@ fn bar() {
             syn.trim(),
             r#"
 [email protected]
-  FN_DEF@0..12
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -292,7 +292,7 @@ fn bar() {
             syn.trim(),
             r#"
 [email protected]
-  FN_DEF@0..12
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -325,7 +325,7 @@ fn bar() {
             syn.trim(),
             r#"
 [email protected]
-  FN_DEF@0..12
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -339,7 +339,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@13..25
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_ide_db/src/defs.rs b/crates/ra_ide_db/src/defs.rs
index 1464c5f2a..234d3175a 100644
--- a/crates/ra_ide_db/src/defs.rs
+++ b/crates/ra_ide_db/src/defs.rs
@@ -174,7 +174,7 @@ pub fn classify_name(sema: &Semantics<RootDatabase>, name: &ast::Name) -> Option
                 let def: hir::EnumVariant = sema.to_def(&it)?;
                 Some(NameClass::Definition(Definition::ModuleDef(def.into())))
             },
-            ast::FnDef(it) => {
+            ast::Fn(it) => {
                 let def: hir::Function = sema.to_def(&it)?;
                 Some(NameClass::Definition(Definition::ModuleDef(def.into())))
             },
diff --git a/crates/ra_ide_db/src/symbol_index.rs b/crates/ra_ide_db/src/symbol_index.rs
index 131e2a128..c6e1ad432 100644
--- a/crates/ra_ide_db/src/symbol_index.rs
+++ b/crates/ra_ide_db/src/symbol_index.rs
@@ -397,7 +397,7 @@ fn to_symbol(node: &SyntaxNode) -> Option<(SmolStr, SyntaxNodePtr, TextRange)> {
     }
     match_ast! {
         match node {
-            ast::FnDef(it) => decl(it),
+            ast::Fn(it) => decl(it),
             ast::StructDef(it) => decl(it),
             ast::EnumDef(it) => decl(it),
             ast::TraitDef(it) => decl(it),
diff --git a/crates/ra_mbe/src/tests.rs b/crates/ra_mbe/src/tests.rs
index c43003fd6..220690cdd 100644
--- a/crates/ra_mbe/src/tests.rs
+++ b/crates/ra_mbe/src/tests.rs
@@ -258,7 +258,7 @@ fn test_expr_order() {
     assert_eq_text!(
         dump.trim(),
         r#"[email protected]
-  FN_DEF@0..15
+  [email protected]
     [email protected] "fn"
     [email protected]
       [email protected] "bar"
diff --git a/crates/ra_parser/src/grammar/items.rs b/crates/ra_parser/src/grammar/items.rs
index 3b73e5346..7f8a51ddb 100644
--- a/crates/ra_parser/src/grammar/items.rs
+++ b/crates/ra_parser/src/grammar/items.rs
@@ -180,7 +180,7 @@ pub(super) fn maybe_item(p: &mut Parser, m: Marker, flavor: ItemFlavor) -> Resul
         // unsafe const fn bar() {}
         T![fn] => {
             fn_def(p);
-            m.complete(p, FN_DEF);
+            m.complete(p, FN);
         }
 
         // test unsafe_trait
diff --git a/crates/ra_parser/src/syntax_kind/generated.rs b/crates/ra_parser/src/syntax_kind/generated.rs
index 4f35e0baa..1390fa407 100644
--- a/crates/ra_parser/src/syntax_kind/generated.rs
+++ b/crates/ra_parser/src/syntax_kind/generated.rs
@@ -126,7 +126,7 @@ pub enum SyntaxKind {
     STRUCT_DEF,
     UNION_DEF,
     ENUM_DEF,
-    FN_DEF,
+    FN,
     RET_TYPE,
     EXTERN_CRATE,
     MODULE,
diff --git a/crates/ra_syntax/src/ast/edit.rs b/crates/ra_syntax/src/ast/edit.rs
index 6ebe10ff6..4a67fd44a 100644
--- a/crates/ra_syntax/src/ast/edit.rs
+++ b/crates/ra_syntax/src/ast/edit.rs
@@ -29,9 +29,9 @@ impl ast::BinExpr {
     }
 }
 
-impl ast::FnDef {
+impl ast::Fn {
     #[must_use]
-    pub fn with_body(&self, body: ast::BlockExpr) -> ast::FnDef {
+    pub fn with_body(&self, body: ast::BlockExpr) -> ast::Fn {
         let mut to_insert: ArrayVec<[SyntaxElement; 2]> = ArrayVec::new();
         let old_body_or_semi: SyntaxElement = if let Some(old_body) = self.body() {
             old_body.syntax().clone().into()
diff --git a/crates/ra_syntax/src/ast/expr_ext.rs b/crates/ra_syntax/src/ast/expr_ext.rs
index 69c85c809..8692b9bb5 100644
--- a/crates/ra_syntax/src/ast/expr_ext.rs
+++ b/crates/ra_syntax/src/ast/expr_ext.rs
@@ -401,7 +401,7 @@ impl ast::BlockExpr {
             Some(it) => it,
             None => return true,
         };
-        !matches!(parent.kind(), FN_DEF | IF_EXPR | WHILE_EXPR | LOOP_EXPR | EFFECT_EXPR)
+        !matches!(parent.kind(), FN | IF_EXPR | WHILE_EXPR | LOOP_EXPR | EFFECT_EXPR)
     }
 }
 
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index be657699f..4fc35585d 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -79,19 +79,19 @@ impl ExternCrate {
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct FnDef {
+pub struct Fn {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for FnDef {}
-impl ast::NameOwner for FnDef {}
-impl ast::VisibilityOwner for FnDef {}
-impl ast::TypeParamsOwner for FnDef {}
-impl FnDef {
-    pub fn abi(&self) -> Option<Abi> { support::child(&self.syntax) }
-    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
+impl ast::AttrsOwner for Fn {}
+impl ast::NameOwner for Fn {}
+impl ast::VisibilityOwner for Fn {}
+impl ast::TypeParamsOwner for Fn {}
+impl Fn {
     pub fn default_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![default]) }
     pub fn async_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![async]) }
+    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
     pub fn unsafe_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![unsafe]) }
+    pub fn abi(&self) -> Option<Abi> { support::child(&self.syntax) }
     pub fn fn_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![fn]) }
     pub fn param_list(&self) -> Option<ParamList> { support::child(&self.syntax) }
     pub fn ret_type(&self) -> Option<RetType> { support::child(&self.syntax) }
@@ -303,7 +303,9 @@ impl UseTreeList {
 pub struct Abi {
     pub(crate) syntax: SyntaxNode,
 }
-impl Abi {}
+impl Abi {
+    pub fn extern_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![extern]) }
+}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct TypeParamList {
     pub(crate) syntax: SyntaxNode,
@@ -321,8 +323,9 @@ pub struct ParamList {
 }
 impl ParamList {
     pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn self_param(&self) -> Option<SelfParam> { support::child(&self.syntax) }
     pub fn params(&self) -> AstChildren<Param> { support::children(&self.syntax) }
+    pub fn self_param(&self) -> Option<SelfParam> { support::child(&self.syntax) }
+    pub fn comma_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![,]) }
     pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -355,6 +358,32 @@ impl BlockExpr {
     pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Param {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::AttrsOwner for Param {}
+impl ast::TypeAscriptionOwner for Param {}
+impl Param {
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+    pub fn dotdotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![...]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct SelfParam {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::AttrsOwner for SelfParam {}
+impl ast::TypeAscriptionOwner for SelfParam {}
+impl SelfParam {
+    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
+    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![lifetime])
+    }
+    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct RecordFieldDefList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -1173,32 +1202,6 @@ impl LetStmt {
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SelfParam {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for SelfParam {}
-impl ast::TypeAscriptionOwner for SelfParam {}
-impl SelfParam {
-    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
-    }
-    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
-    pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Param {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for Param {}
-impl ast::TypeAscriptionOwner for Param {}
-impl Param {
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn dotdotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![...]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct PathSegment {
     pub(crate) syntax: SyntaxNode,
 }
@@ -1274,7 +1277,7 @@ pub enum Item {
     EnumDef(EnumDef),
     ExternBlock(ExternBlock),
     ExternCrate(ExternCrate),
-    FnDef(FnDef),
+    Fn(Fn),
     ImplDef(ImplDef),
     MacroCall(MacroCall),
     Module(Module),
@@ -1303,6 +1306,24 @@ pub enum TypeRef {
     DynTraitType(DynTraitType),
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum Pat {
+    OrPat(OrPat),
+    ParenPat(ParenPat),
+    RefPat(RefPat),
+    BoxPat(BoxPat),
+    BindPat(BindPat),
+    PlaceholderPat(PlaceholderPat),
+    DotDotPat(DotDotPat),
+    PathPat(PathPat),
+    RecordPat(RecordPat),
+    TupleStructPat(TupleStructPat),
+    TuplePat(TuplePat),
+    SlicePat(SlicePat),
+    RangePat(RangePat),
+    LiteralPat(LiteralPat),
+    MacroPat(MacroPat),
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum FieldDefList {
     RecordFieldDefList(RecordFieldDefList),
     TupleFieldDefList(TupleFieldDefList),
@@ -1343,7 +1364,7 @@ pub enum Expr {
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum AssocItem {
-    FnDef(FnDef),
+    Fn(Fn),
     TypeAliasDef(TypeAliasDef),
     ConstDef(ConstDef),
     MacroCall(MacroCall),
@@ -1351,24 +1372,6 @@ pub enum AssocItem {
 impl ast::AttrsOwner for AssocItem {}
 impl ast::NameOwner for AssocItem {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum Pat {
-    OrPat(OrPat),
-    ParenPat(ParenPat),
-    RefPat(RefPat),
-    BoxPat(BoxPat),
-    BindPat(BindPat),
-    PlaceholderPat(PlaceholderPat),
-    DotDotPat(DotDotPat),
-    PathPat(PathPat),
-    RecordPat(RecordPat),
-    TupleStructPat(TupleStructPat),
-    TuplePat(TuplePat),
-    SlicePat(SlicePat),
-    RangePat(RangePat),
-    LiteralPat(LiteralPat),
-    MacroPat(MacroPat),
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum Stmt {
     LetStmt(LetStmt),
     ExprStmt(ExprStmt),
@@ -1381,7 +1384,7 @@ pub enum AttrInput {
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum ExternItem {
-    FnDef(FnDef),
+    Fn(Fn),
     StaticDef(StaticDef),
 }
 impl ast::AttrsOwner for ExternItem {}
@@ -1463,8 +1466,8 @@ impl AstNode for ExternCrate {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for FnDef {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FN_DEF }
+impl AstNode for Fn {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == FN }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1727,6 +1730,28 @@ impl AstNode for BlockExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
+impl AstNode for Param {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PARAM }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
+}
+impl AstNode for SelfParam {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == SELF_PARAM }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
+}
 impl AstNode for RecordFieldDefList {
     fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_DEF_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -2673,28 +2698,6 @@ impl AstNode for LetStmt {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for SelfParam {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SELF_PARAM }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
-impl AstNode for Param {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PARAM }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
-        }
-    }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
-}
 impl AstNode for PathSegment {
     fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_SEGMENT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
@@ -2784,8 +2787,8 @@ impl From<ExternBlock> for Item {
 impl From<ExternCrate> for Item {
     fn from(node: ExternCrate) -> Item { Item::ExternCrate(node) }
 }
-impl From<FnDef> for Item {
-    fn from(node: FnDef) -> Item { Item::FnDef(node) }
+impl From<Fn> for Item {
+    fn from(node: Fn) -> Item { Item::Fn(node) }
 }
 impl From<ImplDef> for Item {
     fn from(node: ImplDef) -> Item { Item::ImplDef(node) }
@@ -2817,7 +2820,7 @@ impl From<Use> for Item {
 impl AstNode for Item {
     fn can_cast(kind: SyntaxKind) -> bool {
         match kind {
-            CONST_DEF | ENUM_DEF | EXTERN_BLOCK | EXTERN_CRATE | FN_DEF | IMPL_DEF | MACRO_CALL
+            CONST_DEF | ENUM_DEF | EXTERN_BLOCK | EXTERN_CRATE | FN | IMPL_DEF | MACRO_CALL
             | MODULE | STATIC_DEF | STRUCT_DEF | TRAIT_DEF | TYPE_ALIAS_DEF | UNION_DEF | USE => {
                 true
             }
@@ -2830,7 +2833,7 @@ impl AstNode for Item {
             ENUM_DEF => Item::EnumDef(EnumDef { syntax }),
             EXTERN_BLOCK => Item::ExternBlock(ExternBlock { syntax }),
             EXTERN_CRATE => Item::ExternCrate(ExternCrate { syntax }),
-            FN_DEF => Item::FnDef(FnDef { syntax }),
+            FN => Item::Fn(Fn { syntax }),
             IMPL_DEF => Item::ImplDef(ImplDef { syntax }),
             MACRO_CALL => Item::MacroCall(MacroCall { syntax }),
             MODULE => Item::Module(Module { syntax }),
@@ -2850,7 +2853,7 @@ impl AstNode for Item {
             Item::EnumDef(it) => &it.syntax,
             Item::ExternBlock(it) => &it.syntax,
             Item::ExternCrate(it) => &it.syntax,
-            Item::FnDef(it) => &it.syntax,
+            Item::Fn(it) => &it.syntax,
             Item::ImplDef(it) => &it.syntax,
             Item::MacroCall(it) => &it.syntax,
             Item::Module(it) => &it.syntax,
@@ -2948,6 +2951,101 @@ impl AstNode for TypeRef {
         }
     }
 }
+impl From<OrPat> for Pat {
+    fn from(node: OrPat) -> Pat { Pat::OrPat(node) }
+}
+impl From<ParenPat> for Pat {
+    fn from(node: ParenPat) -> Pat { Pat::ParenPat(node) }
+}
+impl From<RefPat> for Pat {
+    fn from(node: RefPat) -> Pat { Pat::RefPat(node) }
+}
+impl From<BoxPat> for Pat {
+    fn from(node: BoxPat) -> Pat { Pat::BoxPat(node) }
+}
+impl From<BindPat> for Pat {
+    fn from(node: BindPat) -> Pat { Pat::BindPat(node) }
+}
+impl From<PlaceholderPat> for Pat {
+    fn from(node: PlaceholderPat) -> Pat { Pat::PlaceholderPat(node) }
+}
+impl From<DotDotPat> for Pat {
+    fn from(node: DotDotPat) -> Pat { Pat::DotDotPat(node) }
+}
+impl From<PathPat> for Pat {
+    fn from(node: PathPat) -> Pat { Pat::PathPat(node) }
+}
+impl From<RecordPat> for Pat {
+    fn from(node: RecordPat) -> Pat { Pat::RecordPat(node) }
+}
+impl From<TupleStructPat> for Pat {
+    fn from(node: TupleStructPat) -> Pat { Pat::TupleStructPat(node) }
+}
+impl From<TuplePat> for Pat {
+    fn from(node: TuplePat) -> Pat { Pat::TuplePat(node) }
+}
+impl From<SlicePat> for Pat {
+    fn from(node: SlicePat) -> Pat { Pat::SlicePat(node) }
+}
+impl From<RangePat> for Pat {
+    fn from(node: RangePat) -> Pat { Pat::RangePat(node) }
+}
+impl From<LiteralPat> for Pat {
+    fn from(node: LiteralPat) -> Pat { Pat::LiteralPat(node) }
+}
+impl From<MacroPat> for Pat {
+    fn from(node: MacroPat) -> Pat { Pat::MacroPat(node) }
+}
+impl AstNode for Pat {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            OR_PAT | PAREN_PAT | REF_PAT | BOX_PAT | BIND_PAT | PLACEHOLDER_PAT | DOT_DOT_PAT
+            | PATH_PAT | RECORD_PAT | TUPLE_STRUCT_PAT | TUPLE_PAT | SLICE_PAT | RANGE_PAT
+            | LITERAL_PAT | MACRO_PAT => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        let res = match syntax.kind() {
+            OR_PAT => Pat::OrPat(OrPat { syntax }),
+            PAREN_PAT => Pat::ParenPat(ParenPat { syntax }),
+            REF_PAT => Pat::RefPat(RefPat { syntax }),
+            BOX_PAT => Pat::BoxPat(BoxPat { syntax }),
+            BIND_PAT => Pat::BindPat(BindPat { syntax }),
+            PLACEHOLDER_PAT => Pat::PlaceholderPat(PlaceholderPat { syntax }),
+            DOT_DOT_PAT => Pat::DotDotPat(DotDotPat { syntax }),
+            PATH_PAT => Pat::PathPat(PathPat { syntax }),
+            RECORD_PAT => Pat::RecordPat(RecordPat { syntax }),
+            TUPLE_STRUCT_PAT => Pat::TupleStructPat(TupleStructPat { syntax }),
+            TUPLE_PAT => Pat::TuplePat(TuplePat { syntax }),
+            SLICE_PAT => Pat::SlicePat(SlicePat { syntax }),
+            RANGE_PAT => Pat::RangePat(RangePat { syntax }),
+            LITERAL_PAT => Pat::LiteralPat(LiteralPat { syntax }),
+            MACRO_PAT => Pat::MacroPat(MacroPat { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        match self {
+            Pat::OrPat(it) => &it.syntax,
+            Pat::ParenPat(it) => &it.syntax,
+            Pat::RefPat(it) => &it.syntax,
+            Pat::BoxPat(it) => &it.syntax,
+            Pat::BindPat(it) => &it.syntax,
+            Pat::PlaceholderPat(it) => &it.syntax,
+            Pat::DotDotPat(it) => &it.syntax,
+            Pat::PathPat(it) => &it.syntax,
+            Pat::RecordPat(it) => &it.syntax,
+            Pat::TupleStructPat(it) => &it.syntax,
+            Pat::TuplePat(it) => &it.syntax,
+            Pat::SlicePat(it) => &it.syntax,
+            Pat::RangePat(it) => &it.syntax,
+            Pat::LiteralPat(it) => &it.syntax,
+            Pat::MacroPat(it) => &it.syntax,
+        }
+    }
+}
 impl From<RecordFieldDefList> for FieldDefList {
     fn from(node: RecordFieldDefList) -> FieldDefList { FieldDefList::RecordFieldDefList(node) }
 }
@@ -3157,8 +3255,8 @@ impl AstNode for Expr {
         }
     }
 }
-impl From<FnDef> for AssocItem {
-    fn from(node: FnDef) -> AssocItem { AssocItem::FnDef(node) }
+impl From<Fn> for AssocItem {
+    fn from(node: Fn) -> AssocItem { AssocItem::Fn(node) }
 }
 impl From<TypeAliasDef> for AssocItem {
     fn from(node: TypeAliasDef) -> AssocItem { AssocItem::TypeAliasDef(node) }
@@ -3172,13 +3270,13 @@ impl From<MacroCall> for AssocItem {
 impl AstNode for AssocItem {
     fn can_cast(kind: SyntaxKind) -> bool {
         match kind {
-            FN_DEF | TYPE_ALIAS_DEF | CONST_DEF | MACRO_CALL => true,
+            FN | TYPE_ALIAS_DEF | CONST_DEF | MACRO_CALL => true,
             _ => false,
         }
     }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         let res = match syntax.kind() {
-            FN_DEF => AssocItem::FnDef(FnDef { syntax }),
+            FN => AssocItem::Fn(Fn { syntax }),
             TYPE_ALIAS_DEF => AssocItem::TypeAliasDef(TypeAliasDef { syntax }),
             CONST_DEF => AssocItem::ConstDef(ConstDef { syntax }),
             MACRO_CALL => AssocItem::MacroCall(MacroCall { syntax }),
@@ -3188,108 +3286,13 @@ impl AstNode for AssocItem {
     }
     fn syntax(&self) -> &SyntaxNode {
         match self {
-            AssocItem::FnDef(it) => &it.syntax,
+            AssocItem::Fn(it) => &it.syntax,
             AssocItem::TypeAliasDef(it) => &it.syntax,
             AssocItem::ConstDef(it) => &it.syntax,
             AssocItem::MacroCall(it) => &it.syntax,
         }
     }
 }
-impl From<OrPat> for Pat {
-    fn from(node: OrPat) -> Pat { Pat::OrPat(node) }
-}
-impl From<ParenPat> for Pat {
-    fn from(node: ParenPat) -> Pat { Pat::ParenPat(node) }
-}
-impl From<RefPat> for Pat {
-    fn from(node: RefPat) -> Pat { Pat::RefPat(node) }
-}
-impl From<BoxPat> for Pat {
-    fn from(node: BoxPat) -> Pat { Pat::BoxPat(node) }
-}
-impl From<BindPat> for Pat {
-    fn from(node: BindPat) -> Pat { Pat::BindPat(node) }
-}
-impl From<PlaceholderPat> for Pat {
-    fn from(node: PlaceholderPat) -> Pat { Pat::PlaceholderPat(node) }
-}
-impl From<DotDotPat> for Pat {
-    fn from(node: DotDotPat) -> Pat { Pat::DotDotPat(node) }
-}
-impl From<PathPat> for Pat {
-    fn from(node: PathPat) -> Pat { Pat::PathPat(node) }
-}
-impl From<RecordPat> for Pat {
-    fn from(node: RecordPat) -> Pat { Pat::RecordPat(node) }
-}
-impl From<TupleStructPat> for Pat {
-    fn from(node: TupleStructPat) -> Pat { Pat::TupleStructPat(node) }
-}
-impl From<TuplePat> for Pat {
-    fn from(node: TuplePat) -> Pat { Pat::TuplePat(node) }
-}
-impl From<SlicePat> for Pat {
-    fn from(node: SlicePat) -> Pat { Pat::SlicePat(node) }
-}
-impl From<RangePat> for Pat {
-    fn from(node: RangePat) -> Pat { Pat::RangePat(node) }
-}
-impl From<LiteralPat> for Pat {
-    fn from(node: LiteralPat) -> Pat { Pat::LiteralPat(node) }
-}
-impl From<MacroPat> for Pat {
-    fn from(node: MacroPat) -> Pat { Pat::MacroPat(node) }
-}
-impl AstNode for Pat {
-    fn can_cast(kind: SyntaxKind) -> bool {
-        match kind {
-            OR_PAT | PAREN_PAT | REF_PAT | BOX_PAT | BIND_PAT | PLACEHOLDER_PAT | DOT_DOT_PAT
-            | PATH_PAT | RECORD_PAT | TUPLE_STRUCT_PAT | TUPLE_PAT | SLICE_PAT | RANGE_PAT
-            | LITERAL_PAT | MACRO_PAT => true,
-            _ => false,
-        }
-    }
-    fn cast(syntax: SyntaxNode) -> Option<Self> {
-        let res = match syntax.kind() {
-            OR_PAT => Pat::OrPat(OrPat { syntax }),
-            PAREN_PAT => Pat::ParenPat(ParenPat { syntax }),
-            REF_PAT => Pat::RefPat(RefPat { syntax }),
-            BOX_PAT => Pat::BoxPat(BoxPat { syntax }),
-            BIND_PAT => Pat::BindPat(BindPat { syntax }),
-            PLACEHOLDER_PAT => Pat::PlaceholderPat(PlaceholderPat { syntax }),
-            DOT_DOT_PAT => Pat::DotDotPat(DotDotPat { syntax }),
-            PATH_PAT => Pat::PathPat(PathPat { syntax }),
-            RECORD_PAT => Pat::RecordPat(RecordPat { syntax }),
-            TUPLE_STRUCT_PAT => Pat::TupleStructPat(TupleStructPat { syntax }),
-            TUPLE_PAT => Pat::TuplePat(TuplePat { syntax }),
-            SLICE_PAT => Pat::SlicePat(SlicePat { syntax }),
-            RANGE_PAT => Pat::RangePat(RangePat { syntax }),
-            LITERAL_PAT => Pat::LiteralPat(LiteralPat { syntax }),
-            MACRO_PAT => Pat::MacroPat(MacroPat { syntax }),
-            _ => return None,
-        };
-        Some(res)
-    }
-    fn syntax(&self) -> &SyntaxNode {
-        match self {
-            Pat::OrPat(it) => &it.syntax,
-            Pat::ParenPat(it) => &it.syntax,
-            Pat::RefPat(it) => &it.syntax,
-            Pat::BoxPat(it) => &it.syntax,
-            Pat::BindPat(it) => &it.syntax,
-            Pat::PlaceholderPat(it) => &it.syntax,
-            Pat::DotDotPat(it) => &it.syntax,
-            Pat::PathPat(it) => &it.syntax,
-            Pat::RecordPat(it) => &it.syntax,
-            Pat::TupleStructPat(it) => &it.syntax,
-            Pat::TuplePat(it) => &it.syntax,
-            Pat::SlicePat(it) => &it.syntax,
-            Pat::RangePat(it) => &it.syntax,
-            Pat::LiteralPat(it) => &it.syntax,
-            Pat::MacroPat(it) => &it.syntax,
-        }
-    }
-}
 impl From<LetStmt> for Stmt {
     fn from(node: LetStmt) -> Stmt { Stmt::LetStmt(node) }
 }
@@ -3346,8 +3349,8 @@ impl AstNode for AttrInput {
         }
     }
 }
-impl From<FnDef> for ExternItem {
-    fn from(node: FnDef) -> ExternItem { ExternItem::FnDef(node) }
+impl From<Fn> for ExternItem {
+    fn from(node: Fn) -> ExternItem { ExternItem::Fn(node) }
 }
 impl From<StaticDef> for ExternItem {
     fn from(node: StaticDef) -> ExternItem { ExternItem::StaticDef(node) }
@@ -3355,13 +3358,13 @@ impl From<StaticDef> for ExternItem {
 impl AstNode for ExternItem {
     fn can_cast(kind: SyntaxKind) -> bool {
         match kind {
-            FN_DEF | STATIC_DEF => true,
+            FN | STATIC_DEF => true,
             _ => false,
         }
     }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         let res = match syntax.kind() {
-            FN_DEF => ExternItem::FnDef(FnDef { syntax }),
+            FN => ExternItem::Fn(Fn { syntax }),
             STATIC_DEF => ExternItem::StaticDef(StaticDef { syntax }),
             _ => return None,
         };
@@ -3369,7 +3372,7 @@ impl AstNode for ExternItem {
     }
     fn syntax(&self) -> &SyntaxNode {
         match self {
-            ExternItem::FnDef(it) => &it.syntax,
+            ExternItem::Fn(it) => &it.syntax,
             ExternItem::StaticDef(it) => &it.syntax,
         }
     }
@@ -3417,22 +3420,22 @@ impl std::fmt::Display for TypeRef {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for FieldDefList {
+impl std::fmt::Display for Pat {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for Expr {
+impl std::fmt::Display for FieldDefList {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for AssocItem {
+impl std::fmt::Display for Expr {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for Pat {
+impl std::fmt::Display for AssocItem {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
@@ -3487,7 +3490,7 @@ impl std::fmt::Display for ExternCrate {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for FnDef {
+impl std::fmt::Display for Fn {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
     }
@@ -3607,6 +3610,16 @@ impl std::fmt::Display for BlockExpr {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
+impl std::fmt::Display for Param {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
+impl std::fmt::Display for SelfParam {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        std::fmt::Display::fmt(self.syntax(), f)
+    }
+}
 impl std::fmt::Display for RecordFieldDefList {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
@@ -4037,16 +4050,6 @@ impl std::fmt::Display for LetStmt {
         std::fmt::Display::fmt(self.syntax(), f)
     }
 }
-impl std::fmt::Display for SelfParam {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
-impl std::fmt::Display for Param {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        std::fmt::Display::fmt(self.syntax(), f)
-    }
-}
 impl std::fmt::Display for PathSegment {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         std::fmt::Display::fmt(self.syntax(), f)
diff --git a/crates/ra_syntax/src/ast/make.rs b/crates/ra_syntax/src/ast/make.rs
index 0ff69bc2d..ef235680f 100644
--- a/crates/ra_syntax/src/ast/make.rs
+++ b/crates/ra_syntax/src/ast/make.rs
@@ -294,7 +294,7 @@ pub fn fn_def(
     type_params: Option<ast::TypeParamList>,
     params: ast::ParamList,
     body: ast::BlockExpr,
-) -> ast::FnDef {
+) -> ast::Fn {
     let type_params =
         if let Some(type_params) = type_params { format!("<{}>", type_params) } else { "".into() };
     let visibility = match visibility {
diff --git a/crates/ra_syntax/src/ast/node_ext.rs b/crates/ra_syntax/src/ast/node_ext.rs
index 242900643..9fb6b7268 100644
--- a/crates/ra_syntax/src/ast/node_ext.rs
+++ b/crates/ra_syntax/src/ast/node_ext.rs
@@ -474,7 +474,7 @@ impl ast::TokenTree {
 }
 
 impl ast::DocCommentsOwner for ast::SourceFile {}
-impl ast::DocCommentsOwner for ast::FnDef {}
+impl ast::DocCommentsOwner for ast::Fn {}
 impl ast::DocCommentsOwner for ast::StructDef {}
 impl ast::DocCommentsOwner for ast::UnionDef {}
 impl ast::DocCommentsOwner for ast::RecordFieldDef {}
diff --git a/crates/ra_syntax/src/lib.rs b/crates/ra_syntax/src/lib.rs
index 219dd0b07..6203b6206 100644
--- a/crates/ra_syntax/src/lib.rs
+++ b/crates/ra_syntax/src/lib.rs
@@ -255,11 +255,11 @@ fn api_walkthrough() {
     let mut func = None;
     for item in file.items() {
         match item {
-            ast::Item::FnDef(f) => func = Some(f),
+            ast::Item::Fn(f) => func = Some(f),
             _ => unreachable!(),
         }
     }
-    let func: ast::FnDef = func.unwrap();
+    let func: ast::Fn = func.unwrap();
 
     // Each AST node has a bunch of getters for children. All getters return
     // `Option`s though, to account for incomplete code. Some getters are common
@@ -316,7 +316,7 @@ fn api_walkthrough() {
     );
 
     // As well as some iterator helpers:
-    let f = expr_syntax.ancestors().find_map(ast::FnDef::cast);
+    let f = expr_syntax.ancestors().find_map(ast::Fn::cast);
     assert_eq!(f, Some(func));
     assert!(expr_syntax.siblings_with_tokens(Direction::Next).any(|it| it.kind() == T!['}']));
     assert_eq!(
diff --git a/crates/ra_syntax/src/parsing/text_tree_sink.rs b/crates/ra_syntax/src/parsing/text_tree_sink.rs
index c6b30a02a..2a0f95d15 100644
--- a/crates/ra_syntax/src/parsing/text_tree_sink.rs
+++ b/crates/ra_syntax/src/parsing/text_tree_sink.rs
@@ -146,7 +146,7 @@ fn n_attached_trivias<'a>(
     trivias: impl Iterator<Item = (SyntaxKind, &'a str)>,
 ) -> usize {
     match kind {
-        MACRO_CALL | CONST_DEF | TYPE_ALIAS_DEF | STRUCT_DEF | ENUM_DEF | ENUM_VARIANT | FN_DEF
+        MACRO_CALL | CONST_DEF | TYPE_ALIAS_DEF | STRUCT_DEF | ENUM_DEF | ENUM_VARIANT | FN
         | TRAIT_DEF | MODULE | RECORD_FIELD_DEF | STATIC_DEF => {
             let mut res = 0;
             let mut trivias = trivias.enumerate().peekable();
diff --git a/crates/ra_syntax/src/validation.rs b/crates/ra_syntax/src/validation.rs
index fdec48fb0..2714d102a 100644
--- a/crates/ra_syntax/src/validation.rs
+++ b/crates/ra_syntax/src/validation.rs
@@ -4,7 +4,7 @@ mod block;
 
 use crate::{
     ast, match_ast, AstNode, SyntaxError,
-    SyntaxKind::{BYTE, BYTE_STRING, CHAR, CONST_DEF, FN_DEF, INT_NUMBER, STRING, TYPE_ALIAS_DEF},
+    SyntaxKind::{BYTE, BYTE_STRING, CHAR, CONST_DEF, FN, INT_NUMBER, STRING, TYPE_ALIAS_DEF},
     SyntaxNode, SyntaxToken, TextSize, T,
 };
 use rustc_lexer::unescape::{
@@ -200,7 +200,7 @@ fn validate_visibility(vis: ast::Visibility, errors: &mut Vec<SyntaxError>) {
         None => return,
     };
     match parent.kind() {
-        FN_DEF | CONST_DEF | TYPE_ALIAS_DEF => (),
+        FN | CONST_DEF | TYPE_ALIAS_DEF => (),
         _ => return,
     }
 
diff --git a/crates/ra_syntax/src/validation/block.rs b/crates/ra_syntax/src/validation/block.rs
index 2c08f7e6e..ad9901468 100644
--- a/crates/ra_syntax/src/validation/block.rs
+++ b/crates/ra_syntax/src/validation/block.rs
@@ -9,7 +9,7 @@ use crate::{
 pub(crate) fn validate_block_expr(block: ast::BlockExpr, errors: &mut Vec<SyntaxError>) {
     if let Some(parent) = block.syntax().parent() {
         match parent.kind() {
-            FN_DEF | EXPR_STMT | BLOCK_EXPR => return,
+            FN | EXPR_STMT | BLOCK_EXPR => return,
             _ => {}
         }
     }
diff --git a/crates/ra_syntax/test_data/parser/err/0005_attribute_recover.rast b/crates/ra_syntax/test_data/parser/err/0005_attribute_recover.rast
index 375ed45e0..4845a6563 100644
--- a/crates/ra_syntax/test_data/parser/err/0005_attribute_recover.rast
+++ b/crates/ra_syntax/test_data/parser/err/0005_attribute_recover.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..31
+  [email protected]
     [email protected]
       [email protected] "#"
       [email protected] "["
diff --git a/crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.rast b/crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.rast
index b72c92c33..2ae5bacea 100644
--- a/crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.rast
+++ b/crates/ra_syntax/test_data/parser/err/0007_stray_curly_in_file.rast
@@ -12,7 +12,7 @@ [email protected]
   [email protected]
     [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@17..27
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.rast b/crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.rast
index 33953d8d7..1e9637c26 100644
--- a/crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.rast
+++ b/crates/ra_syntax/test_data/parser/err/0008_item_block_recovery.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..12
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -58,7 +58,7 @@ [email protected]
     [email protected] "\n"
     [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@82..94
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.rast b/crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.rast
index 3bf57eacc..1c3e0f65b 100644
--- a/crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.rast
+++ b/crates/ra_syntax/test_data/parser/err/0010_unsafe_lambda_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..41
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0012_broken_lambda.rast b/crates/ra_syntax/test_data/parser/err/0012_broken_lambda.rast
index e1e782f5f..c8bf96550 100644
--- a/crates/ra_syntax/test_data/parser/err/0012_broken_lambda.rast
+++ b/crates/ra_syntax/test_data/parser/err/0012_broken_lambda.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..389
+  [email protected]
     [email protected]
       [email protected]
       [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.rast b/crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.rast
index 9323b7890..1ab045a44 100644
--- a/crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.rast
+++ b/crates/ra_syntax/test_data/parser/err/0014_where_no_bounds.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..22
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0015_curly_in_params.rast b/crates/ra_syntax/test_data/parser/err/0015_curly_in_params.rast
index b18378cff..a3c25b450 100644
--- a/crates/ra_syntax/test_data/parser/err/0015_curly_in_params.rast
+++ b/crates/ra_syntax/test_data/parser/err/0015_curly_in_params.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..7
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0016_missing_semi.rast b/crates/ra_syntax/test_data/parser/err/0016_missing_semi.rast
index 93434f34f..66157c3dc 100644
--- a/crates/ra_syntax/test_data/parser/err/0016_missing_semi.rast
+++ b/crates/ra_syntax/test_data/parser/err/0016_missing_semi.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..55
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.rast b/crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.rast
index 628315c78..bb4a28f4e 100644
--- a/crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.rast
+++ b/crates/ra_syntax/test_data/parser/err/0017_incomplete_binexpr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..46
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.rast b/crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.rast
index a87e5061a..ce43ddf45 100644
--- a/crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.rast
+++ b/crates/ra_syntax/test_data/parser/err/0018_incomplete_fn.rast
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@20..161
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -116,7 +116,7 @@ [email protected]
           [email protected] "\n    "
           [email protected] "}"
       [email protected] "\n\n    "
-      FN_DEF@167..180
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0019_let_recover.rast b/crates/ra_syntax/test_data/parser/err/0019_let_recover.rast
index 4ff27f5c8..f6fa964b7 100644
--- a/crates/ra_syntax/test_data/parser/err/0019_let_recover.rast
+++ b/crates/ra_syntax/test_data/parser/err/0019_let_recover.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..138
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0020_fn_recover.rast b/crates/ra_syntax/test_data/parser/err/0020_fn_recover.rast
index 5f3a31473..6f6feba5a 100644
--- a/crates/ra_syntax/test_data/parser/err/0020_fn_recover.rast
+++ b/crates/ra_syntax/test_data/parser/err/0020_fn_recover.rast
@@ -1,8 +1,8 @@
 [email protected]
-  FN_DEF@0..2
+  [email protected]
     [email protected] "fn"
   [email protected] "\n\n"
-  FN_DEF@4..15
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0021_incomplete_param.rast b/crates/ra_syntax/test_data/parser/err/0021_incomplete_param.rast
index 1746bd3c1..ba4ce4795 100644
--- a/crates/ra_syntax/test_data/parser/err/0021_incomplete_param.rast
+++ b/crates/ra_syntax/test_data/parser/err/0021_incomplete_param.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..21
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0022_bad_exprs.rast b/crates/ra_syntax/test_data/parser/err/0022_bad_exprs.rast
index 28146f44e..866f61113 100644
--- a/crates/ra_syntax/test_data/parser/err/0022_bad_exprs.rast
+++ b/crates/ra_syntax/test_data/parser/err/0022_bad_exprs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..33
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -40,7 +40,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@34..68
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -88,7 +88,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@69..111
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.rast b/crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.rast
index 9ea9d715e..5ffefd742 100644
--- a/crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.rast
+++ b/crates/ra_syntax/test_data/parser/err/0023_mismatched_paren.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..55
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0024_many_type_parens.rast b/crates/ra_syntax/test_data/parser/err/0024_many_type_parens.rast
index 48610a5eb..1e94e72bc 100644
--- a/crates/ra_syntax/test_data/parser/err/0024_many_type_parens.rast
+++ b/crates/ra_syntax/test_data/parser/err/0024_many_type_parens.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..53
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -65,7 +65,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@55..239
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0025_nope.rast b/crates/ra_syntax/test_data/parser/err/0025_nope.rast
index 88b086daf..4b9bd679e 100644
--- a/crates/ra_syntax/test_data/parser/err/0025_nope.rast
+++ b/crates/ra_syntax/test_data/parser/err/0025_nope.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..574
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast b/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
index 4d6461d1e..53704f640 100644
--- a/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
+++ b/crates/ra_syntax/test_data/parser/err/0027_incomplere_where_for.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..29
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0029_field_completion.rast b/crates/ra_syntax/test_data/parser/err/0029_field_completion.rast
index 0da8f59f0..bfcd0149e 100644
--- a/crates/ra_syntax/test_data/parser/err/0029_field_completion.rast
+++ b/crates/ra_syntax/test_data/parser/err/0029_field_completion.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..23
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.rast b/crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.rast
index 515819e42..55ff3943f 100644
--- a/crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.rast
+++ b/crates/ra_syntax/test_data/parser/err/0031_block_inner_attrs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..349
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.rast b/crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.rast
index c6859eca8..ec9f556aa 100644
--- a/crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.rast
+++ b/crates/ra_syntax/test_data/parser/err/0032_match_arms_inner_attrs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..292
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.rast b/crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.rast
index 53e445459..063532e02 100644
--- a/crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.rast
+++ b/crates/ra_syntax/test_data/parser/err/0033_match_arms_outer_attrs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..88
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.rast b/crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.rast
index 1b2ac5011..303a49576 100644
--- a/crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.rast
+++ b/crates/ra_syntax/test_data/parser/err/0034_bad_box_pattern.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..89
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0035_use_recover.rast b/crates/ra_syntax/test_data/parser/err/0035_use_recover.rast
index 0415085b0..2f03709eb 100644
--- a/crates/ra_syntax/test_data/parser/err/0035_use_recover.rast
+++ b/crates/ra_syntax/test_data/parser/err/0035_use_recover.rast
@@ -34,7 +34,7 @@ [email protected]
   [email protected]
     [email protected] "use"
   [email protected] "\n"
-  FN_DEF@38..47
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.rast b/crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.rast
index bc446e3df..f180616f1 100644
--- a/crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.rast
+++ b/crates/ra_syntax/test_data/parser/err/0037_visibility_in_traits.rast
@@ -17,7 +17,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@20..31
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -30,7 +30,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@36..51
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.rast b/crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.rast
index 21db9ee85..bed7ad6c3 100644
--- a/crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.rast
+++ b/crates/ra_syntax/test_data/parser/err/0038_endless_inclusive_range.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..32
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.rast b/crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.rast
index ec950381b..a98c31b0c 100644
--- a/crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.rast
+++ b/crates/ra_syntax/test_data/parser/err/0039_lambda_recovery.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..82
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast b/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast
index cb90f28bc..5f59c3bc2 100644
--- a/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast
+++ b/crates/ra_syntax/test_data/parser/err/0044_unexpected_for_type.rast
@@ -136,7 +136,7 @@ [email protected]
             [email protected] ")"
     [email protected] ";"
   [email protected] "\n"
-  FN_DEF@150..238
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/err/0163_weird_blocks.rast b/crates/ra_syntax/test_data/parser/err/0163_weird_blocks.rast
index e46456384..df29017e7 100644
--- a/crates/ra_syntax/test_data/parser/err/0163_weird_blocks.rast
+++ b/crates/ra_syntax/test_data/parser/err/0163_weird_blocks.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..82
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/fragments/item/ok/0000_fn.rast b/crates/ra_syntax/test_data/parser/fragments/item/ok/0000_fn.rast
index f1e78f388..93c429e12 100644
--- a/crates/ra_syntax/test_data/parser/fragments/item/ok/0000_fn.rast
+++ b/crates/ra_syntax/test_data/parser/fragments/item/ok/0000_fn.rast
@@ -1,4 +1,4 @@
-FN_DEF@0..11
+[email protected]
   [email protected] "fn"
   [email protected] " "
   [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.rast b/crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.rast
index 75668c818..8b0a888fd 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0002_misplaced_label_err.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..29
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0006_unsafe_block_in_mod.rast b/crates/ra_syntax/test_data/parser/inline/err/0006_unsafe_block_in_mod.rast
index c789e8d82..cc0f8bcaf 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0006_unsafe_block_in_mod.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0006_unsafe_block_in_mod.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..10
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -19,7 +19,7 @@ [email protected]
     [email protected] " "
     [email protected] "}"
   [email protected] " "
-  FN_DEF@22..32
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0007_async_without_semicolon.rast b/crates/ra_syntax/test_data/parser/inline/err/0007_async_without_semicolon.rast
index cd24313d4..3f3a7f1b9 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0007_async_without_semicolon.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0007_async_without_semicolon.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..29
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0008_pub_expr.rast b/crates/ra_syntax/test_data/parser/inline/err/0008_pub_expr.rast
index c5fa7a404..63a10127d 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0008_pub_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0008_pub_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..20
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0009_attr_on_expr_not_allowed.rast b/crates/ra_syntax/test_data/parser/inline/err/0009_attr_on_expr_not_allowed.rast
index 4e3fa704e..8fd8d5e59 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0009_attr_on_expr_not_allowed.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0009_attr_on_expr_not_allowed.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..47
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0010_bad_tuple_index_expr.rast b/crates/ra_syntax/test_data/parser/inline/err/0010_bad_tuple_index_expr.rast
index e1abc5633..fa14e1e6d 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0010_bad_tuple_index_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0010_bad_tuple_index_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..46
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rast b/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rast
index 53f7ebaf9..d2a18330f 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0010_wrong_order_fns.rast
@@ -2,7 +2,7 @@ [email protected]
   [email protected]
     [email protected] "unsafe"
   [email protected] " "
-  FN_DEF@7..24
+  [email protected]
     [email protected] "async"
     [email protected] " "
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0014_default_fn_type.rast b/crates/ra_syntax/test_data/parser/inline/err/0014_default_fn_type.rast
index 5501dc5a6..b31195281 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0014_default_fn_type.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0014_default_fn_type.rast
@@ -35,7 +35,7 @@ [email protected]
             [email protected]
               [email protected] "default"
       [email protected] " "
-      FN_DEF@48..59
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/err/0014_record_literal_before_ellipsis_recovery.rast b/crates/ra_syntax/test_data/parser/inline/err/0014_record_literal_before_ellipsis_recovery.rast
index a9de44b57..6753c3fe7 100644
--- a/crates/ra_syntax/test_data/parser/inline/err/0014_record_literal_before_ellipsis_recovery.rast
+++ b/crates/ra_syntax/test_data/parser/inline/err/0014_record_literal_before_ellipsis_recovery.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..44
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0001_trait_item_list.rast b/crates/ra_syntax/test_data/parser/inline/ok/0001_trait_item_list.rast
index f422acdda..7847ba65a 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0001_trait_item_list.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0001_trait_item_list.rast
@@ -41,7 +41,7 @@ [email protected]
                 [email protected] "i32"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@50..61
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -54,7 +54,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@66..80
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast b/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast
index cd0892451..9cae1e8cc 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0003_where_pred_for.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..53
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0005_function_type_params.rast b/crates/ra_syntax/test_data/parser/inline/ok/0005_function_type_params.rast
index 6c8c1e24b..1b56e20d5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0005_function_type_params.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0005_function_type_params.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..27
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0006_self_param.rast b/crates/ra_syntax/test_data/parser/inline/ok/0006_self_param.rast
index 0cd1dffc9..87c170707 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0006_self_param.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0006_self_param.rast
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@13..26
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -26,7 +26,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@31..46
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -43,7 +43,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@51..69
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -62,7 +62,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@74..103
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -95,7 +95,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@108..125
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0008_path_part.rast b/crates/ra_syntax/test_data/parser/inline/ok/0008_path_part.rast
index 10eb31d68..3ce2acfae 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0008_path_part.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0008_path_part.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..102
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0009_loop_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0009_loop_expr.rast
index 425e5196c..f62826fd5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0009_loop_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0009_loop_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..25
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0011_field_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0011_field_expr.rast
index d823c08fc..66a609346 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0011_field_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0011_field_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..47
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0015_continue_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0015_continue_expr.rast
index 422912e3c..104e153ce 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0015_continue_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0015_continue_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..68
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0018_arb_self_types.rast b/crates/ra_syntax/test_data/parser/inline/ok/0018_arb_self_types.rast
index 79148e953..e75180900 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0018_arb_self_types.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0018_arb_self_types.rast
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@13..33
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -35,7 +35,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@38..66
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0019_unary_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0019_unary_expr.rast
index 10d6b2fde..7db38ea4d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0019_unary_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0019_unary_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..43
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0021_impl_item_list.rast b/crates/ra_syntax/test_data/parser/inline/ok/0021_impl_item_list.rast
index 31b5b6616..daa55ec6c 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0021_impl_item_list.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0021_impl_item_list.rast
@@ -45,7 +45,7 @@ [email protected]
           [email protected] "92"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@54..65
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -58,7 +58,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@70..86
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0024_slice_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0024_slice_pat.rast
index 7eb27d5e1..dea0c73f7 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0024_slice_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0024_slice_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..38
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0026_tuple_pat_fields.rast b/crates/ra_syntax/test_data/parser/inline/ok/0026_tuple_pat_fields.rast
index b4598768e..e5f550347 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0026_tuple_pat_fields.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0026_tuple_pat_fields.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..96
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0027_ref_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0027_ref_pat.rast
index b824c10a8..9e76d881e 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0027_ref_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0027_ref_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..51
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0029_cast_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0029_cast_expr.rast
index fabb09937..e096b3a1f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0029_cast_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0029_cast_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..88
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0030_cond.rast b/crates/ra_syntax/test_data/parser/inline/ok/0030_cond.rast
index 3aed26732..381284dc5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0030_cond.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0030_cond.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..37
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -41,7 +41,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@38..196
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0031_while_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0031_while_expr.rast
index 899b63aac..ffe1a3a01 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0031_while_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0031_while_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..92
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0034_break_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0034_break_expr.rast
index e064aafaf..f905def6f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0034_break_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0034_break_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..101
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0036_unsafe_extern_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0036_unsafe_extern_fn.rast
index cf5825593..293b1d64c 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0036_unsafe_extern_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0036_unsafe_extern_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..29
+  [email protected]
     [email protected] "unsafe"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0037_qual_paths.rast b/crates/ra_syntax/test_data/parser/inline/ok/0037_qual_paths.rast
index fbd90bc0f..8f6cd2e2f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0037_qual_paths.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0037_qual_paths.rast
@@ -32,7 +32,7 @@ [email protected]
             [email protected] "Output"
     [email protected] ";"
   [email protected] "\n"
-  FN_DEF@27..70
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0038_full_range_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0038_full_range_expr.rast
index a767f145d..64e705fb3 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0038_full_range_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0038_full_range_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..20
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0040_crate_keyword_vis.rast b/crates/ra_syntax/test_data/parser/inline/ok/0040_crate_keyword_vis.rast
index aa582516a..47cbe7c1f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0040_crate_keyword_vis.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0040_crate_keyword_vis.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..19
+  [email protected]
     [email protected]
       [email protected] "crate"
     [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0042_call_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0042_call_expr.rast
index 0c1c6e877..40875ae1e 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0042_call_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0042_call_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..117
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0044_block_items.rast b/crates/ra_syntax/test_data/parser/inline/ok/0044_block_items.rast
index c23b3b67c..1fd3cd0e7 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0044_block_items.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0044_block_items.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..20
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] " "
-      FN_DEF@9..18
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0045_param_list_opt_patterns.rast b/crates/ra_syntax/test_data/parser/inline/ok/0045_param_list_opt_patterns.rast
index 9ca2165ba..fbf2e7c67 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0045_param_list_opt_patterns.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0045_param_list_opt_patterns.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..34
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0048_path_type_with_bounds.rast b/crates/ra_syntax/test_data/parser/inline/ok/0048_path_type_with_bounds.rast
index b209f67f8..37757ccd4 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0048_path_type_with_bounds.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0048_path_type_with_bounds.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..26
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -38,7 +38,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@27..57
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0050_fn_decl.rast b/crates/ra_syntax/test_data/parser/inline/ok/0050_fn_decl.rast
index 5f1429102..02c57079f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0050_fn_decl.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0050_fn_decl.rast
@@ -8,7 +8,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] " "
-      FN_DEF@10..19
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0053_path_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0053_path_expr.rast
index 70232a3b2..2bfb52453 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0053_path_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0053_path_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..90
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0055_literal_pattern.rast b/crates/ra_syntax/test_data/parser/inline/ok/0055_literal_pattern.rast
index 03c52525e..68bb43852 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0055_literal_pattern.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0055_literal_pattern.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..112
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0056_where_clause.rast b/crates/ra_syntax/test_data/parser/inline/ok/0056_where_clause.rast
index 24f89b83f..28129c50c 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0056_where_clause.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0056_where_clause.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..115
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0057_const_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0057_const_fn.rast
index bb43d1eaf..97548a5ee 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0057_const_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0057_const_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..17
+  [email protected]
     [email protected] "const"
     [email protected] " "
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0058_range_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0058_range_pat.rast
index 8bd94a868..3e72f9671 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0058_range_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0058_range_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..111
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0059_match_arms_commas.rast b/crates/ra_syntax/test_data/parser/inline/ok/0059_match_arms_commas.rast
index 9210f155c..fa659c19b 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0059_match_arms_commas.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0059_match_arms_commas.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..82
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0061_record_lit.rast b/crates/ra_syntax/test_data/parser/inline/ok/0061_record_lit.rast
index 850465d82..b0aa73b7d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0061_record_lit.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0061_record_lit.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..111
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0062_mod_contents.rast b/crates/ra_syntax/test_data/parser/inline/ok/0062_mod_contents.rast
index 02656df31..f6417ab13 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0062_mod_contents.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0062_mod_contents.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..11
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0064_if_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0064_if_expr.rast
index 445d8d309..587160003 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0064_if_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0064_if_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..136
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0066_match_arm.rast b/crates/ra_syntax/test_data/parser/inline/ok/0066_match_arm.rast
index 177bb5514..d2279877b 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0066_match_arm.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0066_match_arm.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..166
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0070_stmt_bin_expr_ambiguity.rast b/crates/ra_syntax/test_data/parser/inline/ok/0070_stmt_bin_expr_ambiguity.rast
index f8ff7079b..4c1165dc8 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0070_stmt_bin_expr_ambiguity.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0070_stmt_bin_expr_ambiguity.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..45
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0071_match_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0071_match_expr.rast
index 07b3d1435..d6926425c 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0071_match_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0071_match_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..96
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0072_return_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0072_return_expr.rast
index 665f716a8..437d7ac04 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0072_return_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0072_return_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..39
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0074_stmt_postfix_expr_ambiguity.rast b/crates/ra_syntax/test_data/parser/inline/ok/0074_stmt_postfix_expr_ambiguity.rast
index 3fd3a4391..3ca70f021 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0074_stmt_postfix_expr_ambiguity.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0074_stmt_postfix_expr_ambiguity.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..83
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0075_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0075_block.rast
index 97c6e6a9d..5cefc5076 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0075_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0075_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..9
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -12,7 +12,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@10..31
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -38,7 +38,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@32..48
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -62,7 +62,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@49..64
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0076_function_where_clause.rast b/crates/ra_syntax/test_data/parser/inline/ok/0076_function_where_clause.rast
index e2c1a507d..cfa4c05f5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0076_function_where_clause.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0076_function_where_clause.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..28
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0077_try_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0077_try_expr.rast
index 4f3a8ed24..33e6fb93f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0077_try_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0077_try_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..20
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0080_postfix_range.rast b/crates/ra_syntax/test_data/parser/inline/ok/0080_postfix_range.rast
index 462d1a8bb..3c80846db 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0080_postfix_range.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0080_postfix_range.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..88
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0082_ref_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0082_ref_expr.rast
index 58bdf7e34..1563b1988 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0082_ref_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0082_ref_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..199
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0085_expr_literals.rast b/crates/ra_syntax/test_data/parser/inline/ok/0085_expr_literals.rast
index 9fcb7899e..ded36949a 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0085_expr_literals.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0085_expr_literals.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..188
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0086_function_ret_type.rast b/crates/ra_syntax/test_data/parser/inline/ok/0086_function_ret_type.rast
index a42abc189..70e05a859 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0086_function_ret_type.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0086_function_ret_type.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..11
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -12,7 +12,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@12..29
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0088_break_ambiguity.rast b/crates/ra_syntax/test_data/parser/inline/ok/0088_break_ambiguity.rast
index 7e71d7373..34f520994 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0088_break_ambiguity.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0088_break_ambiguity.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..87
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0089_extern_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0089_extern_fn.rast
index 48aaf1004..405b6a259 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0089_extern_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0089_extern_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..18
+  [email protected]
     [email protected]
       [email protected] "extern"
     [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0093_index_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0093_index_expr.rast
index aed81f9b0..82f03f9c1 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0093_index_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0093_index_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..25
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0095_placeholder_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0095_placeholder_pat.rast
index 67d9595d3..25706d2a4 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0095_placeholder_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0095_placeholder_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..25
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0096_no_semi_after_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0096_no_semi_after_block.rast
index 031e74652..cb5316a0d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0096_no_semi_after_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0096_no_semi_after_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..166
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0098_const_unsafe_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0098_const_unsafe_fn.rast
index 816e49310..32a77ba49 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0098_const_unsafe_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0098_const_unsafe_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..24
+  [email protected]
     [email protected] "const"
     [email protected] " "
     [email protected] "unsafe"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0099_param_list.rast b/crates/ra_syntax/test_data/parser/inline/ok/0099_param_list.rast
index d48ef865c..1627556c8 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0099_param_list.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0099_param_list.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..9
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -12,7 +12,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@10..25
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -36,7 +36,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@26..43
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -62,7 +62,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@44..66
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0100_for_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0100_for_expr.rast
index e4455cd3e..766de4efe 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0100_for_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0100_for_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..32
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0101_unsafe_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0101_unsafe_fn.rast
index 8a8743060..73c94e5d4 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0101_unsafe_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0101_unsafe_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..18
+  [email protected]
     [email protected] "unsafe"
     [email protected] " "
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0102_record_field_pat_list.rast b/crates/ra_syntax/test_data/parser/inline/ok/0102_record_field_pat_list.rast
index 9f966ff8a..fe1c290c3 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0102_record_field_pat_list.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0102_record_field_pat_list.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..118
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0103_array_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0103_array_expr.rast
index 9b3bef04e..c4c0a0568 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0103_array_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0103_array_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..54
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0106_lambda_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0106_lambda_expr.rast
index e64717152..51a6c5170 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0106_lambda_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0106_lambda_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..133
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0107_method_call_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0107_method_call_expr.rast
index 98963dc62..b2961b0ff 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0107_method_call_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0107_method_call_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..48
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0108_tuple_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0108_tuple_expr.rast
index ea603e2c9..ca7e4a5c3 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0108_tuple_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0108_tuple_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..39
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0109_label.rast b/crates/ra_syntax/test_data/parser/inline/ok/0109_label.rast
index 30ff96a7c..a6a169f1b 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0109_label.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0109_label.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..73
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0111_tuple_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0111_tuple_pat.rast
index b58f40ac1..432318da0 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0111_tuple_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0111_tuple_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..93
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0112_bind_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0112_bind_pat.rast
index b67714c17..3cd554d45 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0112_bind_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0112_bind_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..145
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0113_nocontentexpr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0113_nocontentexpr.rast
index 5de480da9..d761c1c68 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0113_nocontentexpr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0113_nocontentexpr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..49
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0118_match_guard.rast b/crates/ra_syntax/test_data/parser/inline/ok/0118_match_guard.rast
index e152c6b6c..aaaf803b7 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0118_match_guard.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0118_match_guard.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..57
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0120_match_arms_inner_attribute.rast b/crates/ra_syntax/test_data/parser/inline/ok/0120_match_arms_inner_attribute.rast
index b283ab804..4b5f9cdc9 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0120_match_arms_inner_attribute.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0120_match_arms_inner_attribute.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..138
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0121_match_arms_outer_attributes.rast b/crates/ra_syntax/test_data/parser/inline/ok/0121_match_arms_outer_attributes.rast
index 9d5470914..54cc3be3a 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0121_match_arms_outer_attributes.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0121_match_arms_outer_attributes.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..258
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0122_generic_lifetime_type_attribute.rast b/crates/ra_syntax/test_data/parser/inline/ok/0122_generic_lifetime_type_attribute.rast
index ada2fc54e..f4008cfdc 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0122_generic_lifetime_type_attribute.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0122_generic_lifetime_type_attribute.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..63
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0123_param_list_vararg.rast b/crates/ra_syntax/test_data/parser/inline/ok/0123_param_list_vararg.rast
index b3a33c14d..f155743cf 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0123_param_list_vararg.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0123_param_list_vararg.rast
@@ -8,7 +8,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] " "
-      FN_DEF@13..54
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0124_async_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0124_async_fn.rast
index 6178dfe59..a7df188bd 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0124_async_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0124_async_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..17
+  [email protected]
     [email protected] "async"
     [email protected] " "
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0125_crate_keyword_path.rast b/crates/ra_syntax/test_data/parser/inline/ok/0125_crate_keyword_path.rast
index ced59b7c1..aa4d7a784 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0125_crate_keyword_path.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0125_crate_keyword_path.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..26
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0125_record_literal_field_with_attr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0125_record_literal_field_with_attr.rast
index 97611f7f3..20979cef3 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0125_record_literal_field_with_attr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0125_record_literal_field_with_attr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..45
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0126_attr_on_expr_stmt.rast b/crates/ra_syntax/test_data/parser/inline/ok/0126_attr_on_expr_stmt.rast
index 09221fc54..0342e64f3 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0126_attr_on_expr_stmt.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0126_attr_on_expr_stmt.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..81
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0127_attr_on_last_expr_in_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0127_attr_on_last_expr_in_block.rast
index 93cc41533..3b46e5b47 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0127_attr_on_last_expr_in_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0127_attr_on_last_expr_in_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..46
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rast b/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rast
index 0901f2348..98a20f36d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0128_combined_fns.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..24
+  [email protected]
     [email protected] "async"
     [email protected] " "
     [email protected] "unsafe"
@@ -16,7 +16,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@25..49
+  [email protected]
     [email protected] "const"
     [email protected] " "
     [email protected] "unsafe"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0129_marco_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0129_marco_pat.rast
index 28291afc2..e283966ca 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0129_marco_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0129_marco_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..32
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0130_let_stmt.rast b/crates/ra_syntax/test_data/parser/inline/ok/0130_let_stmt.rast
index bb94a05c6..931e81f27 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0130_let_stmt.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0130_let_stmt.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..134
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0130_try_block_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0130_try_block_expr.rast
index 8f2f144c7..0fe3bf582 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0130_try_block_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0130_try_block_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..32
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0132_box_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0132_box_expr.rast
index 87ac42748..48f483813 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0132_box_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0132_box_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..105
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0132_default_fn_type.rast b/crates/ra_syntax/test_data/parser/inline/ok/0132_default_fn_type.rast
index 3772cb64b..9fc724f3f 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0132_default_fn_type.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0132_default_fn_type.rast
@@ -36,7 +36,7 @@ [email protected]
                 [email protected] "Bar"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@47..66
+      [email protected]
         [email protected] "default"
         [email protected] " "
         [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0134_nocontentexpr_after_item.rast b/crates/ra_syntax/test_data/parser/inline/ok/0134_nocontentexpr_after_item.rast
index b330a0932..ceae8a4ec 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0134_nocontentexpr_after_item.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0134_nocontentexpr_after_item.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..110
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -33,7 +33,7 @@ [email protected]
           [email protected] "}"
       [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@81..90
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0137_await_expr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0137_await_expr.rast
index 8e8d9e992..923effe38 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0137_await_expr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0137_await_expr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..66
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0138_associated_type_bounds.rast b/crates/ra_syntax/test_data/parser/inline/ok/0138_associated_type_bounds.rast
index c457851c9..1ad03e005 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0138_associated_type_bounds.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0138_associated_type_bounds.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..58
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0138_expression_after_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0138_expression_after_block.rast
index ea325831e..a03139ab5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0138_expression_after_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0138_expression_after_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..51
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0138_self_param_outer_attr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0138_self_param_outer_attr.rast
index 9135de9df..6403ff8d5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0138_self_param_outer_attr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0138_self_param_outer_attr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..25
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0139_param_outer_arg.rast b/crates/ra_syntax/test_data/parser/inline/ok/0139_param_outer_arg.rast
index 14610a0a2..36fd2997b 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0139_param_outer_arg.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0139_param_outer_arg.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..27
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0142_for_range_from.rast b/crates/ra_syntax/test_data/parser/inline/ok/0142_for_range_from.rast
index e6be8b7e4..d11019076 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0142_for_range_from.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0142_for_range_from.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..50
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0143_box_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0143_box_pat.rast
index 57fba5fd5..09fd9e9b8 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0143_box_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0143_box_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..117
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0144_dot_dot_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0144_dot_dot_pat.rast
index 8d8b9597b..8d0f1ead5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0144_dot_dot_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0144_dot_dot_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..554
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0145_record_field_pat.rast b/crates/ra_syntax/test_data/parser/inline/ok/0145_record_field_pat.rast
index 7c092d518..b41ef4098 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0145_record_field_pat.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0145_record_field_pat.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..62
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rast b/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rast
index 8382a4f96..2d0c83458 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0146_as_precedence.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..42
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0152_arg_with_attr.rast b/crates/ra_syntax/test_data/parser/inline/ok/0152_arg_with_attr.rast
index f43dfbe63..2905c5f1a 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0152_arg_with_attr.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0152_arg_with_attr.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..33
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rast b/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rast
index ecac05950..c63a55a56 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0155_closure_params.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..62
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0156_fn_def_param.rast b/crates/ra_syntax/test_data/parser/inline/ok/0156_fn_def_param.rast
index 092833417..3b8dfefc6 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0156_fn_def_param.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0156_fn_def_param.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..29
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0156_or_pattern.rast b/crates/ra_syntax/test_data/parser/inline/ok/0156_or_pattern.rast
index 88d512f1a..4d4c41f1a 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0156_or_pattern.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0156_or_pattern.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..129
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0158_binop_resets_statementness.rast b/crates/ra_syntax/test_data/parser/inline/ok/0158_binop_resets_statementness.rast
index bd9e8d40f..8ae24b9c1 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0158_binop_resets_statementness.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0158_binop_resets_statementness.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..27
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0158_lambda_ret_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0158_lambda_ret_block.rast
index 08333a325..9c071ec2e 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0158_lambda_ret_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0158_lambda_ret_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..33
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0159_try_macro_fallback.rast b/crates/ra_syntax/test_data/parser/inline/ok/0159_try_macro_fallback.rast
index 5f09e4f4a..fb46d4ce4 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0159_try_macro_fallback.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0159_try_macro_fallback.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..26
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0161_labeled_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0161_labeled_block.rast
index 9efebd8b8..9e9a5f9c5 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0161_labeled_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0161_labeled_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..22
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0162_unsafe_block.rast b/crates/ra_syntax/test_data/parser/inline/ok/0162_unsafe_block.rast
index 4991f2c36..ca9a1183d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0162_unsafe_block.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0162_unsafe_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..21
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_fn.rast b/crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_fn.rast
index c0b8c0300..680f35445 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_fn.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0163_default_unsafe_fn.rast
@@ -19,7 +19,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@21..47
+      [email protected]
         [email protected] "default"
         [email protected] " "
         [email protected] "unsafe"
diff --git a/crates/ra_syntax/test_data/parser/inline/ok/0164_type_path_in_pattern.rast b/crates/ra_syntax/test_data/parser/inline/ok/0164_type_path_in_pattern.rast
index 868899275..f5e20b93d 100644
--- a/crates/ra_syntax/test_data/parser/inline/ok/0164_type_path_in_pattern.rast
+++ b/crates/ra_syntax/test_data/parser/inline/ok/0164_type_path_in_pattern.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..32
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0005_fn_item.rast b/crates/ra_syntax/test_data/parser/ok/0005_fn_item.rast
index 0ec237f8e..a7a2b11a7 100644
--- a/crates/ra_syntax/test_data/parser/ok/0005_fn_item.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0005_fn_item.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..12
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0008_mod_item.rast b/crates/ra_syntax/test_data/parser/ok/0008_mod_item.rast
index 37b452ec4..ea26f1440 100644
--- a/crates/ra_syntax/test_data/parser/ok/0008_mod_item.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0008_mod_item.rast
@@ -26,7 +26,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@31..47
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0011_outer_attribute.rast b/crates/ra_syntax/test_data/parser/ok/0011_outer_attribute.rast
index 0b9bc58e8..478fdba75 100644
--- a/crates/ra_syntax/test_data/parser/ok/0011_outer_attribute.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0011_outer_attribute.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..34
+  [email protected]
     [email protected]
       [email protected] "#"
       [email protected] "["
diff --git a/crates/ra_syntax/test_data/parser/ok/0012_visibility.rast b/crates/ra_syntax/test_data/parser/ok/0012_visibility.rast
index 980b34049..83a93b5a9 100644
--- a/crates/ra_syntax/test_data/parser/ok/0012_visibility.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0012_visibility.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..9
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -12,7 +12,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@10..23
+  [email protected]
     [email protected]
       [email protected] "pub"
     [email protected] " "
@@ -28,7 +28,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@24..44
+  [email protected]
     [email protected]
       [email protected] "pub"
       [email protected] "("
@@ -47,7 +47,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@45..65
+  [email protected]
     [email protected]
       [email protected] "pub"
       [email protected] "("
@@ -66,7 +66,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@66..97
+  [email protected]
     [email protected]
       [email protected] "pub"
       [email protected] "("
diff --git a/crates/ra_syntax/test_data/parser/ok/0017_attr_trailing_comma.rast b/crates/ra_syntax/test_data/parser/ok/0017_attr_trailing_comma.rast
index 964cbf5dd..a3e091ad3 100644
--- a/crates/ra_syntax/test_data/parser/ok/0017_attr_trailing_comma.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0017_attr_trailing_comma.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..22
+  [email protected]
     [email protected]
       [email protected] "#"
       [email protected] "["
diff --git a/crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast b/crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast
index 873791f50..5524efaaf 100644
--- a/crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0021_extern_fn.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..19
+  [email protected]
     [email protected]
       [email protected] "extern"
     [email protected] " "
@@ -16,7 +16,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@21..44
+  [email protected]
     [email protected]
       [email protected] "extern"
       [email protected] " "
@@ -35,7 +35,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@46..70
+  [email protected]
     [email protected]
       [email protected] "extern"
       [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.rast b/crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
index 5701f566e..bb6527b48 100644
--- a/crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0025_extern_fn_in_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..34
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@16..32
+      [email protected]
         [email protected]
           [email protected] "extern"
         [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.rast b/crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.rast
index b029d8692..5bcf54deb 100644
--- a/crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0026_const_fn_in_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..33
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@16..31
+      [email protected]
         [email protected] "const"
         [email protected] " "
         [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast b/crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
index 299bbd136..a7cc12295 100644
--- a/crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0027_unsafe_fn_in_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..52
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@16..32
+      [email protected]
         [email protected] "unsafe"
         [email protected] " "
         [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.rast b/crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.rast
index de3c4b786..efe018484 100644
--- a/crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0028_operator_binding_power.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..247
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0029_range_forms.rast b/crates/ra_syntax/test_data/parser/ok/0029_range_forms.rast
index dc47d68a6..47e46f009 100644
--- a/crates/ra_syntax/test_data/parser/ok/0029_range_forms.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0029_range_forms.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..152
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.rast b/crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.rast
index 86c3b46c4..93f766149 100644
--- a/crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0030_string_suffixes.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..111
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0030_traits.rast b/crates/ra_syntax/test_data/parser/ok/0030_traits.rast
index 63693de4f..4bcf07ffb 100644
--- a/crates/ra_syntax/test_data/parser/ok/0030_traits.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0030_traits.rast
@@ -8,7 +8,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@21..34
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -29,7 +29,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@64..93
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0031_extern.rast b/crates/ra_syntax/test_data/parser/ok/0031_extern.rast
index ea285f52f..0509f7504 100644
--- a/crates/ra_syntax/test_data/parser/ok/0031_extern.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0031_extern.rast
@@ -6,7 +6,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@13..87
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -69,7 +69,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@92..167
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -134,7 +134,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@172..276
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -199,7 +199,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@281..341
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -248,7 +248,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@346..469
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -317,7 +317,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@474..691
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -416,7 +416,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@696..864
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -510,7 +510,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@869..992
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -579,7 +579,7 @@ [email protected]
                   [email protected] "c_int"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@997..1173
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -690,7 +690,7 @@ [email protected]
                   [email protected] "ssize_t"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@1178..1289
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -771,7 +771,7 @@ [email protected]
                   [email protected] "ssize_t"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@1294..1481
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
@@ -888,7 +888,7 @@ [email protected]
                   [email protected] "ssize_t"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@1486..1595
+      [email protected]
         [email protected]
           [email protected] "pub"
         [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/ok/0032_where_for.rast b/crates/ra_syntax/test_data/parser/ok/0032_where_for.rast
index 8d76c4e0b..1b2325a2d 100644
--- a/crates/ra_syntax/test_data/parser/ok/0032_where_for.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0032_where_for.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..115
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0033_label_break.rast b/crates/ra_syntax/test_data/parser/ok/0033_label_break.rast
index 13b730ded..b3f29638c 100644
--- a/crates/ra_syntax/test_data/parser/ok/0033_label_break.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0033_label_break.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..505
+  [email protected]
     [email protected] "// format with label  ..."
     [email protected] "\n"
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.rast b/crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.rast
index 21874ae3a..5ad8c570d 100644
--- a/crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0034_crate_path_in_call.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..61
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.rast b/crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.rast
index bbdf896d1..2e36b54bc 100644
--- a/crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0035_weird_exprs.rast
@@ -120,7 +120,7 @@ [email protected]
   [email protected] "\n\n"
   [email protected] "// Just a grab bag of ..."
   [email protected] "\n\n"
-  FN_DEF@520..572
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -166,7 +166,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@574..624
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -178,7 +178,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@591..607
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -217,7 +217,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@626..816
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -229,7 +229,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@642..720
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -407,7 +407,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@818..1322
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -572,7 +572,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@1324..1539
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -809,7 +809,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@1541..1741
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -830,7 +830,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@1575..1598
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -988,7 +988,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@1743..1904
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1131,7 +1131,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@1906..1960
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1166,7 +1166,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@1962..2198
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1284,7 +1284,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@2200..2693
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1468,7 +1468,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@2695..2832
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1548,7 +1548,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@2834..2906
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1599,7 +1599,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@2908..3042
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -1722,7 +1722,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@3044..3514
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -2056,7 +2056,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@3516..3552
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -2090,7 +2090,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@3554..3812
+  [email protected]
     [email protected]
       [email protected] "pub"
     [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.rast b/crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.rast
index a64a82e94..a5f09e364 100644
--- a/crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0036_fully_qualified.rast
@@ -1,7 +1,7 @@
 [email protected]
   [email protected] "// https://github.com ..."
   [email protected] "\n\n"
-  FN_DEF@62..156
+  [email protected]
     [email protected]
       [email protected] "pub"
     [email protected] " "
diff --git a/crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.rast b/crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.rast
index 7fd414090..22168eaf1 100644
--- a/crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0038_where_pred_type.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..34
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.rast b/crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.rast
index 17be2c238..68a366354 100644
--- a/crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0039_raw_fn_item.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..14
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.rast b/crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.rast
index acf32a852..92ede8ccb 100644
--- a/crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0041_raw_keywords.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..59
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.rast b/crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.rast
index 573edc081..4f0c68822 100644
--- a/crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0042_ufcs_call_list.rast
@@ -20,7 +20,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@90..139
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -55,7 +55,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@143..161
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -78,7 +78,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@163..198
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.rast b/crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.rast
index 900eeb445..22eb22e3c 100644
--- a/crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0043_complex_assignment.rast
@@ -30,7 +30,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@92..159
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0044_let_attrs.rast b/crates/ra_syntax/test_data/parser/ok/0044_let_attrs.rast
index 6d941487b..c9e6d88eb 100644
--- a/crates/ra_syntax/test_data/parser/ok/0044_let_attrs.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0044_let_attrs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..165
+  [email protected]
     [email protected] "// https://github.com ..."
     [email protected] "\n"
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.rast b/crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.rast
index 69aa0ba4d..5ebc53618 100644
--- a/crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0045_block_inner_attrs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..461
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -101,7 +101,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@544..683
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast b/crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
index 38e44e48a..29a5d48e6 100644
--- a/crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0047_minus_in_inner_pattern.rast
@@ -1,7 +1,7 @@
 [email protected]
   [email protected] "// https://github.com ..."
   [email protected] "\n\n"
-  FN_DEF@62..341
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -288,7 +288,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@369..394
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.rast b/crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.rast
index 28233c5d0..662576e5f 100644
--- a/crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0048_compound_assignment.rast
@@ -1,7 +1,7 @@
 [email protected]
   [email protected] "// https://github.com ..."
   [email protected] "\n\n"
-  FN_DEF@60..256
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0049_async_block.rast b/crates/ra_syntax/test_data/parser/ok/0049_async_block.rast
index 0569488f8..57ecad3cf 100644
--- a/crates/ra_syntax/test_data/parser/ok/0049_async_block.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0049_async_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..45
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.rast b/crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.rast
index 7847da085..798e81ca6 100644
--- a/crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0050_async_block_as_argument.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..52
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -52,7 +52,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@54..94
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.rast b/crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.rast
index 919c690de..9a173b002 100644
--- a/crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0051_parameter_attrs.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..37
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -41,7 +41,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@38..62
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -83,7 +83,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] " "
-      FN_DEF@77..126
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -132,7 +132,7 @@ [email protected]
       [email protected] " "
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@130..172
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -195,7 +195,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@190..234
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -263,7 +263,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n     "
-      FN_DEF@252..277
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -287,7 +287,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@283..305
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -311,7 +311,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@311..334
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -336,7 +336,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@340..371
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -368,7 +368,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@377..407
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -400,7 +400,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@413..447
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -434,7 +434,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@453..480
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -465,7 +465,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n     "
-      FN_DEF@486..517
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0052_for_range_block.rast b/crates/ra_syntax/test_data/parser/ok/0052_for_range_block.rast
index 65cfa7bc5..a30000398 100644
--- a/crates/ra_syntax/test_data/parser/ok/0052_for_range_block.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0052_for_range_block.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..79
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast b/crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
index d6aec7ab9..e3997ac5b 100644
--- a/crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0054_qual_path_in_type_arg.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..26
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -35,7 +35,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@28..56
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -77,7 +77,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@58..87
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rast b/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rast
index 9e0cec35f..1c893180c 100644
--- a/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0055_dot_dot_dot.rast
@@ -12,7 +12,7 @@ [email protected]
       [email protected] ")"
     [email protected] ";"
   [email protected] "\n\n"
-  FN_DEF@14..48
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.rast b/crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.rast
index 7fa3033ac..3ef916e55 100644
--- a/crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0056_neq_in_type.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..70
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.rast b/crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.rast
index d93968016..53410a1ee 100644
--- a/crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0057_loop_in_call.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..17
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -23,7 +23,7 @@ [email protected]
       [email protected] "{"
       [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@19..50
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rast b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
index b5c72ee36..a1dfd58f2 100644
--- a/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0058_unary_expr_precedence.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..78
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.rast b/crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.rast
index ddcb139c1..767b516a2 100644
--- a/crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0059_loops_in_parens.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..104
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0060_as_range.rast b/crates/ra_syntax/test_data/parser/ok/0060_as_range.rast
index 098152fc3..1fd1a2888 100644
--- a/crates/ra_syntax/test_data/parser/ok/0060_as_range.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0060_as_range.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..55
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0061_match_full_range.rast b/crates/ra_syntax/test_data/parser/ok/0061_match_full_range.rast
index c6e982976..ba49c115b 100644
--- a/crates/ra_syntax/test_data/parser/ok/0061_match_full_range.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0061_match_full_range.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..34
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.rast b/crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.rast
index bf791ee2b..0c22c31a4 100644
--- a/crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0062_macro_2.0.rast
@@ -51,7 +51,7 @@ [email protected]
         [email protected] "\n"
         [email protected] "}"
   [email protected] "\n\n"
-  FN_DEF@95..348
+  [email protected]
     [email protected]
       [email protected] "#"
       [email protected] "["
diff --git a/crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.rast b/crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
index 40619b46e..a87bbf4eb 100644
--- a/crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0063_trait_fn_patterns.rast
@@ -8,7 +8,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@14..46
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -50,7 +50,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@51..74
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -92,7 +92,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@79..108
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -123,7 +123,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@113..135
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -155,7 +155,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@140..167
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.rast b/crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.rast
index 5a9f07c89..7adedb02e 100644
--- a/crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0063_variadic_fun.rast
@@ -8,7 +8,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@17..40
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -37,7 +37,7 @@ [email protected]
           [email protected] ")"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@45..70
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -69,7 +69,7 @@ [email protected]
           [email protected] ")"
         [email protected] ";"
       [email protected] "\n    "
-      FN_DEF@75..123
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.rast b/crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.rast
index 7b026e33b..ef0eca47c 100644
--- a/crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0064_impl_fn_params.rast
@@ -11,7 +11,7 @@ [email protected]
     [email protected]
       [email protected] "{"
       [email protected] "\n    "
-      FN_DEF@13..45
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -53,7 +53,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@50..73
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -95,7 +95,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@78..107
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
@@ -126,7 +126,7 @@ [email protected]
           [email protected] "{"
           [email protected] "}"
       [email protected] "\n    "
-      FN_DEF@112..134
+      [email protected]
         [email protected] "fn"
         [email protected] " "
         [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rast b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rast
index d1fffdd63..29bd38c05 100644
--- a/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0065_comment_newline.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..25
+  [email protected]
     [email protected] "/// Example"
     [email protected] "\n\n"
     [email protected] "fn"
diff --git a/crates/ra_syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast b/crates/ra_syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast
index eb2f8eb3c..7996dc121 100644
--- a/crates/ra_syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0065_plus_after_fn_trait_bound.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..39
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/ra_syntax/test_data/parser/ok/0067_where_for_pred.rast b/crates/ra_syntax/test_data/parser/ok/0067_where_for_pred.rast
index 503585103..e4c2578f6 100644
--- a/crates/ra_syntax/test_data/parser/ok/0067_where_for_pred.rast
+++ b/crates/ra_syntax/test_data/parser/ok/0067_where_for_pred.rast
@@ -1,5 +1,5 @@
 [email protected]
-  FN_DEF@0..55
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -59,7 +59,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@56..107
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -110,7 +110,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@108..170
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -177,7 +177,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@171..223
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -231,7 +231,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@224..300
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
@@ -313,7 +313,7 @@ [email protected]
       [email protected] "\n"
       [email protected] "}"
   [email protected] "\n"
-  FN_DEF@301..373
+  [email protected]
     [email protected] "fn"
     [email protected] " "
     [email protected]
diff --git a/crates/rust-analyzer/src/handlers.rs b/crates/rust-analyzer/src/handlers.rs
index 87a1367ac..3a0780eb5 100644
--- a/crates/rust-analyzer/src/handlers.rs
+++ b/crates/rust-analyzer/src/handlers.rs
@@ -1095,7 +1095,7 @@ pub(crate) fn handle_call_hierarchy_prepare(
     let RangeInfo { range: _, info: navs } = nav_info;
     let res = navs
         .into_iter()
-        .filter(|it| it.kind == SyntaxKind::FN_DEF)
+        .filter(|it| it.kind == SyntaxKind::FN)
         .map(|it| to_proto::call_hierarchy_item(&snap, it))
         .collect::<Result<Vec<_>>>()?;
 
diff --git a/crates/rust-analyzer/src/to_proto.rs b/crates/rust-analyzer/src/to_proto.rs
index c6935c029..f86e55d39 100644
--- a/crates/rust-analyzer/src/to_proto.rs
+++ b/crates/rust-analyzer/src/to_proto.rs
@@ -31,7 +31,7 @@ pub(crate) fn range(line_index: &LineIndex, range: TextRange) -> lsp_types::Rang
 
 pub(crate) fn symbol_kind(syntax_kind: SyntaxKind) -> lsp_types::SymbolKind {
     match syntax_kind {
-        SyntaxKind::FN_DEF => lsp_types::SymbolKind::Function,
+        SyntaxKind::FN => lsp_types::SymbolKind::Function,
         SyntaxKind::STRUCT_DEF => lsp_types::SymbolKind::Struct,
         SyntaxKind::ENUM_DEF => lsp_types::SymbolKind::Enum,
         SyntaxKind::ENUM_VARIANT => lsp_types::SymbolKind::EnumMember,