4 files changed, 22 insertions, 31 deletions

diff --git a/crates/ra_ide/src/display/short_label.rs b/crates/ra_ide/src/display/short_label.rs
index c600908a4..bddf1bd47 100644
--- a/crates/ra_ide/src/display/short_label.rs
+++ b/crates/ra_ide/src/display/short_label.rs
@@ -1,6 +1,6 @@
 //! FIXME: write short doc here
 
-use ra_syntax::ast::{self, AstNode, NameOwner, TypeAscriptionOwner, VisibilityOwner};
+use ra_syntax::ast::{self, AstNode, NameOwner, VisibilityOwner};
 use stdx::format_to;
 
 pub(crate) trait ShortLabel {
@@ -55,19 +55,19 @@ impl ShortLabel for ast::TypeAlias {
 
 impl ShortLabel for ast::Const {
     fn short_label(&self) -> Option<String> {
-        short_label_from_ascribed_node(self, "const ")
+        short_label_from_ty(self, self.ty(), "const ")
     }
 }
 
 impl ShortLabel for ast::Static {
     fn short_label(&self) -> Option<String> {
-        short_label_from_ascribed_node(self, "static ")
+        short_label_from_ty(self, self.ty(), "static ")
     }
 }
 
 impl ShortLabel for ast::RecordField {
     fn short_label(&self) -> Option<String> {
-        short_label_from_ascribed_node(self, "")
+        short_label_from_ty(self, self.ty(), "")
     }
 }
 
@@ -77,13 +77,13 @@ impl ShortLabel for ast::Variant {
     }
 }
 
-fn short_label_from_ascribed_node<T>(node: &T, prefix: &str) -> Option<String>
+fn short_label_from_ty<T>(node: &T, ty: Option<ast::TypeRef>, prefix: &str) -> Option<String>
 where
-    T: NameOwner + VisibilityOwner + TypeAscriptionOwner,
+    T: NameOwner + VisibilityOwner,
 {
     let mut buf = short_label_from_node(node, prefix)?;
 
-    if let Some(type_ref) = node.ascribed_type() {
+    if let Some(type_ref) = ty {
         format_to!(buf, ": {}", type_ref.syntax());
     }
 
diff --git a/crates/ra_ide/src/file_structure.rs b/crates/ra_ide/src/file_structure.rs
index 7d378f2d0..22cf8637a 100644
--- a/crates/ra_ide/src/file_structure.rs
+++ b/crates/ra_ide/src/file_structure.rs
@@ -1,5 +1,5 @@
 use ra_syntax::{
-    ast::{self, AttrsOwner, GenericParamsOwner, NameOwner, TypeAscriptionOwner},
+    ast::{self, AttrsOwner, GenericParamsOwner, NameOwner},
     match_ast, AstNode, SourceFile, SyntaxKind, SyntaxNode, TextRange, WalkEvent,
 };
 
@@ -52,18 +52,11 @@ pub fn file_structure(file: &SourceFile) -> Vec<StructureNode> {
 
 fn structure_node(node: &SyntaxNode) -> Option<StructureNode> {
     fn decl<N: NameOwner + AttrsOwner>(node: N) -> Option<StructureNode> {
-        decl_with_detail(node, None)
-    }
-
-    fn decl_with_ascription<N: NameOwner + AttrsOwner + TypeAscriptionOwner>(
-        node: N,
-    ) -> Option<StructureNode> {
-        let ty = node.ascribed_type();
-        decl_with_type_ref(node, ty)
+        decl_with_detail(&node, None)
     }
 
     fn decl_with_type_ref<N: NameOwner + AttrsOwner>(
-        node: N,
+        node: &N,
         type_ref: Option<ast::TypeRef>,
     ) -> Option<StructureNode> {
         let detail = type_ref.map(|type_ref| {
@@ -75,7 +68,7 @@ fn structure_node(node: &SyntaxNode) -> Option<StructureNode> {
     }
 
     fn decl_with_detail<N: NameOwner + AttrsOwner>(
-        node: N,
+        node: &N,
         detail: Option<String>,
     ) -> Option<StructureNode> {
         let name = node.name()?;
@@ -124,7 +117,7 @@ fn structure_node(node: &SyntaxNode) -> Option<StructureNode> {
                     collapse_ws(ret_type.syntax(), &mut detail);
                 }
 
-                decl_with_detail(it, Some(detail))
+                decl_with_detail(&it, Some(detail))
             },
             ast::Struct(it) => decl(it),
             ast::Union(it) => decl(it),
@@ -132,13 +125,10 @@ fn structure_node(node: &SyntaxNode) -> Option<StructureNode> {
             ast::Variant(it) => decl(it),
             ast::Trait(it) => decl(it),
             ast::Module(it) => decl(it),
-            ast::TypeAlias(it) => {
-                let ty = it.type_ref();
-                decl_with_type_ref(it, ty)
-            },
-            ast::RecordField(it) => decl_with_ascription(it),
-            ast::Const(it) => decl_with_ascription(it),
-            ast::Static(it) => decl_with_ascription(it),
+            ast::TypeAlias(it) => decl_with_type_ref(&it, it.type_ref()),
+            ast::RecordField(it) => decl_with_type_ref(&it, it.ty()),
+            ast::Const(it) => decl_with_type_ref(&it, it.ty()),
+            ast::Static(it) => decl_with_type_ref(&it, it.ty()),
             ast::Impl(it) => {
                 let target_type = it.target_type()?;
                 let target_trait = it.target_trait();
diff --git a/crates/ra_ide/src/inlay_hints.rs b/crates/ra_ide/src/inlay_hints.rs
index 714ba6bd9..4bbbcd258 100644
--- a/crates/ra_ide/src/inlay_hints.rs
+++ b/crates/ra_ide/src/inlay_hints.rs
@@ -2,7 +2,7 @@ use hir::{Adt, Callable, HirDisplay, Semantics, Type};
 use ra_ide_db::RootDatabase;
 use ra_prof::profile;
 use ra_syntax::{
-    ast::{self, ArgListOwner, AstNode, TypeAscriptionOwner},
+    ast::{self, ArgListOwner, AstNode},
     match_ast, Direction, NodeOrToken, SmolStr, SyntaxKind, TextRange, T,
 };
 use stdx::to_lower_snake_case;
@@ -230,10 +230,10 @@ fn should_not_display_type_hint(db: &RootDatabase, bind_pat: &ast::BindPat, pat_
         match_ast! {
             match node {
                 ast::LetStmt(it) => {
-                    return it.ascribed_type().is_some()
+                    return it.ty().is_some()
                 },
                 ast::Param(it) => {
-                    return it.ascribed_type().is_some()
+                    return it.ty().is_some()
                 },
                 ast::MatchArm(_it) => {
                     return pat_is_enum_variant(db, bind_pat, pat_ty);
diff --git a/crates/ra_ide/src/references/rename.rs b/crates/ra_ide/src/references/rename.rs
index d330109f1..31654bf79 100644
--- a/crates/ra_ide/src/references/rename.rs
+++ b/crates/ra_ide/src/references/rename.rs
@@ -7,7 +7,8 @@ use ra_ide_db::{
     RootDatabase,
 };
 use ra_syntax::{
-    algo::find_node_at_offset, ast, ast::NameOwner, ast::TypeAscriptionOwner,
+    algo::find_node_at_offset,
+    ast::{self, NameOwner},
     lex_single_valid_syntax_kind, match_ast, AstNode, SyntaxKind, SyntaxNode, SyntaxToken,
 };
 use ra_text_edit::TextEdit;
@@ -155,7 +156,7 @@ fn rename_to_self(
         return None; // method already has self param
     }
     let first_param = params.params().next()?;
-    let mutable = match first_param.ascribed_type() {
+    let mutable = match first_param.ty() {
         Some(ast::TypeRef::ReferenceType(rt)) => rt.mut_token().is_some(),
         _ => return None, // not renaming other types
     };