124 files changed, 1920 insertions, 1908 deletions

diff --git a/crates/ra_syntax/src/ast.rs b/crates/ra_syntax/src/ast.rs
index fd426ece9..d536bb1e7 100644
--- a/crates/ra_syntax/src/ast.rs
+++ b/crates/ra_syntax/src/ast.rs
@@ -17,7 +17,7 @@ use crate::{
 
 pub use self::{
     expr_ext::{ArrayExprKind, BinOp, Effect, ElseBranch, LiteralKind, PrefixOp, RangeOp},
-    generated::{nodes::*, tokens::*},
+    generated::*,
     node_ext::{
         AttrKind, FieldKind, NameOrNameRef, PathSegmentKind, SelfParamKind, SlicePatComponents,
         StructKind, TypeBoundKind, VisibilityKind,
@@ -287,7 +287,7 @@ where
 
     assert!(pred.for_token().is_none());
     assert!(pred.generic_param_list().is_none());
-    assert_eq!("T", pred.type_ref().unwrap().syntax().text().to_string());
+    assert_eq!("T", pred.ty().unwrap().syntax().text().to_string());
     assert_bound("Clone", bounds.next());
     assert_bound("Copy", bounds.next());
     assert_bound("Debug", bounds.next());
@@ -304,20 +304,20 @@ where
     let pred = predicates.next().unwrap();
     let mut bounds = pred.type_bound_list().unwrap().bounds();
 
-    assert_eq!("Iterator::Item", pred.type_ref().unwrap().syntax().text().to_string());
+    assert_eq!("Iterator::Item", pred.ty().unwrap().syntax().text().to_string());
     assert_bound("'a", bounds.next());
 
     let pred = predicates.next().unwrap();
     let mut bounds = pred.type_bound_list().unwrap().bounds();
 
-    assert_eq!("Iterator::Item", pred.type_ref().unwrap().syntax().text().to_string());
+    assert_eq!("Iterator::Item", pred.ty().unwrap().syntax().text().to_string());
     assert_bound("Debug", bounds.next());
     assert_bound("'a", bounds.next());
 
     let pred = predicates.next().unwrap();
     let mut bounds = pred.type_bound_list().unwrap().bounds();
 
-    assert_eq!("<T as Iterator>::Item", pred.type_ref().unwrap().syntax().text().to_string());
+    assert_eq!("<T as Iterator>::Item", pred.ty().unwrap().syntax().text().to_string());
     assert_bound("Debug", bounds.next());
     assert_bound("'a", bounds.next());
 
@@ -326,6 +326,6 @@ where
 
     assert!(pred.for_token().is_some());
     assert_eq!("<'a>", pred.generic_param_list().unwrap().syntax().text().to_string());
-    assert_eq!("F", pred.type_ref().unwrap().syntax().text().to_string());
+    assert_eq!("F", pred.ty().unwrap().syntax().text().to_string());
     assert_bound("Fn(&'a str)", bounds.next());
 }
diff --git a/crates/ra_syntax/src/ast/edit.rs b/crates/ra_syntax/src/ast/edit.rs
index 8d3e42f25..667a9294f 100644
--- a/crates/ra_syntax/src/ast/edit.rs
+++ b/crates/ra_syntax/src/ast/edit.rs
@@ -237,17 +237,17 @@ impl ast::Path {
 
 impl ast::PathSegment {
     #[must_use]
-    pub fn with_type_args(&self, type_args: ast::TypeArgList) -> ast::PathSegment {
+    pub fn with_type_args(&self, type_args: ast::GenericArgList) -> ast::PathSegment {
         self._with_type_args(type_args, false)
     }
 
     #[must_use]
-    pub fn with_turbo_fish(&self, type_args: ast::TypeArgList) -> ast::PathSegment {
+    pub fn with_turbo_fish(&self, type_args: ast::GenericArgList) -> ast::PathSegment {
         self._with_type_args(type_args, true)
     }
 
-    fn _with_type_args(&self, type_args: ast::TypeArgList, turbo: bool) -> ast::PathSegment {
-        if let Some(old) = self.type_arg_list() {
+    fn _with_type_args(&self, type_args: ast::GenericArgList, turbo: bool) -> ast::PathSegment {
+        if let Some(old) = self.generic_arg_list() {
             return self.replace_children(
                 single_node(old.syntax().clone()),
                 iter::once(type_args.syntax().clone().into()),
@@ -390,7 +390,7 @@ impl ast::MatchArmList {
     #[must_use]
     pub fn remove_placeholder(&self) -> ast::MatchArmList {
         let placeholder =
-            self.arms().find(|arm| matches!(arm.pat(), Some(ast::Pat::PlaceholderPat(_))));
+            self.arms().find(|arm| matches!(arm.pat(), Some(ast::Pat::WildcardPat(_))));
         if let Some(placeholder) = placeholder {
             self.remove_arm(&placeholder)
         } else {
diff --git a/crates/ra_syntax/src/ast/generated.rs b/crates/ra_syntax/src/ast/generated.rs
index f5199e09f..4a6f41ee7 100644
--- a/crates/ra_syntax/src/ast/generated.rs
+++ b/crates/ra_syntax/src/ast/generated.rs
@@ -1,6 +1,41 @@
 //! This file is actually hand-written, but the submodules are indeed generated.
-
 #[rustfmt::skip]
-pub(super) mod nodes;
+mod nodes;
 #[rustfmt::skip]
-pub(super) mod tokens;
+mod tokens;
+
+use crate::{
+    AstNode,
+    SyntaxKind::{self, *},
+    SyntaxNode,
+};
+
+pub use {nodes::*, tokens::*};
+
+// Stmt is the only nested enum, so it's easier to just hand-write it
+impl AstNode for Stmt {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            LET_STMT | EXPR_STMT => true,
+            _ => Item::can_cast(kind),
+        }
+    }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        let res = match syntax.kind() {
+            LET_STMT => Stmt::LetStmt(LetStmt { syntax }),
+            EXPR_STMT => Stmt::ExprStmt(ExprStmt { syntax }),
+            _ => {
+                let item = Item::cast(syntax)?;
+                Stmt::Item(item)
+            }
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        match self {
+            Stmt::LetStmt(it) => &it.syntax,
+            Stmt::ExprStmt(it) => &it.syntax,
+            Stmt::Item(it) => it.syntax(),
+        }
+    }
+}
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index 4306efe13..3d49309d1 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -6,13 +6,133 @@ use crate::{
     SyntaxNode, SyntaxToken, T,
 };
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SourceFile {
+pub struct Name {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for SourceFile {}
-impl ast::ModuleItemOwner for SourceFile {}
-impl SourceFile {
-    pub fn shebang_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![shebang]) }
+impl Name {
+    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct NameRef {
+    pub(crate) syntax: SyntaxNode,
+}
+impl NameRef {
+    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Path {
+    pub(crate) syntax: SyntaxNode,
+}
+impl Path {
+    pub fn qualifier(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
+    pub fn segment(&self) -> Option<PathSegment> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct PathSegment {
+    pub(crate) syntax: SyntaxNode,
+}
+impl PathSegment {
+    pub fn crate_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![crate]) }
+    pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
+    pub fn super_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![super]) }
+    pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
+    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
+    pub fn generic_arg_list(&self) -> Option<GenericArgList> { support::child(&self.syntax) }
+    pub fn param_list(&self) -> Option<ParamList> { support::child(&self.syntax) }
+    pub fn ret_type(&self) -> Option<RetType> { support::child(&self.syntax) }
+    pub fn l_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![<]) }
+    pub fn path_type(&self) -> Option<PathType> { support::child(&self.syntax) }
+    pub fn as_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![as]) }
+    pub fn r_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![>]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct GenericArgList {
+    pub(crate) syntax: SyntaxNode,
+}
+impl GenericArgList {
+    pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
+    pub fn l_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![<]) }
+    pub fn generic_args(&self) -> AstChildren<GenericArg> { support::children(&self.syntax) }
+    pub fn r_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![>]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct ParamList {
+    pub(crate) syntax: SyntaxNode,
+}
+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 comma_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![,]) }
+    pub fn params(&self) -> AstChildren<Param> { support::children(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct RetType {
+    pub(crate) syntax: SyntaxNode,
+}
+impl RetType {
+    pub fn thin_arrow_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![->]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct PathType {
+    pub(crate) syntax: SyntaxNode,
+}
+impl PathType {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct TypeArg {
+    pub(crate) syntax: SyntaxNode,
+}
+impl TypeArg {
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct AssocTypeArg {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::TypeBoundsOwner for AssocTypeArg {}
+impl AssocTypeArg {
+    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
+    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct LifetimeArg {
+    pub(crate) syntax: SyntaxNode,
+}
+impl LifetimeArg {
+    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![lifetime])
+    }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct ConstArg {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ConstArg {
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct TypeBoundList {
+    pub(crate) syntax: SyntaxNode,
+}
+impl TypeBoundList {
+    pub fn bounds(&self) -> AstChildren<TypeBound> { support::children(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct MacroCall {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::AttrsOwner for MacroCall {}
+impl ast::NameOwner for MacroCall {}
+impl MacroCall {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
+    pub fn token_tree(&self) -> Option<TokenTree> { support::child(&self.syntax) }
+    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Attr {
@@ -29,6 +149,41 @@ impl Attr {
     pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct TokenTree {
+    pub(crate) syntax: SyntaxNode,
+}
+impl TokenTree {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
+    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct MacroItems {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::ModuleItemOwner for MacroItems {}
+impl MacroItems {}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct MacroStmts {
+    pub(crate) syntax: SyntaxNode,
+}
+impl MacroStmts {
+    pub fn statements(&self) -> AstChildren<Stmt> { support::children(&self.syntax) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct SourceFile {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::AttrsOwner for SourceFile {}
+impl ast::ModuleItemOwner for SourceFile {}
+impl SourceFile {
+    pub fn shebang_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![shebang]) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Const {
     pub(crate) syntax: SyntaxNode,
 }
@@ -40,7 +195,7 @@ impl Const {
     pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
     pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
     pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
     pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
     pub fn body(&self) -> Option<Expr> { support::child(&self.syntax) }
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
@@ -112,24 +267,11 @@ impl Impl {
     pub fn unsafe_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![unsafe]) }
     pub fn impl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![impl]) }
     pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
-    pub fn type_ref(&self) -> Option<TypeRef> { support::child(&self.syntax) }
     pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
     pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
     pub fn assoc_item_list(&self) -> Option<AssocItemList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroCall {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for MacroCall {}
-impl ast::NameOwner for MacroCall {}
-impl MacroCall {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
-    pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
-    pub fn token_tree(&self) -> Option<TokenTree> { support::child(&self.syntax) }
-    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Module {
     pub(crate) syntax: SyntaxNode,
 }
@@ -152,7 +294,7 @@ impl Static {
     pub fn static_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![static]) }
     pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
     pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
     pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
     pub fn body(&self) -> Option<Expr> { support::child(&self.syntax) }
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
@@ -198,7 +340,7 @@ impl TypeAlias {
     pub fn default_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![default]) }
     pub fn type_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![type]) }
     pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
     pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
@@ -239,13 +381,6 @@ impl Visibility {
     pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Name {
-    pub(crate) syntax: SyntaxNode,
-}
-impl Name {
-    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ItemList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -256,13 +391,6 @@ impl ItemList {
     pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct NameRef {
-    pub(crate) syntax: SyntaxNode,
-}
-impl NameRef {
-    pub fn ident_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ident]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Rename {
     pub(crate) syntax: SyntaxNode,
 }
@@ -283,15 +411,6 @@ impl UseTree {
     pub fn rename(&self) -> Option<Rename> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Path {
-    pub(crate) syntax: SyntaxNode,
-}
-impl Path {
-    pub fn qualifier(&self) -> Option<Path> { support::child(&self.syntax) }
-    pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
-    pub fn segment(&self) -> Option<PathSegment> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct UseTreeList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -317,25 +436,6 @@ impl GenericParamList {
     pub fn r_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![>]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ParamList {
-    pub(crate) syntax: SyntaxNode,
-}
-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 comma_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![,]) }
-    pub fn params(&self) -> AstChildren<Param> { support::children(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RetType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl RetType {
-    pub fn thin_arrow_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![->]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct WhereClause {
     pub(crate) syntax: SyntaxNode,
 }
@@ -348,9 +448,7 @@ pub struct BlockExpr {
     pub(crate) syntax: SyntaxNode,
 }
 impl ast::AttrsOwner for BlockExpr {}
-impl ast::ModuleItemOwner for BlockExpr {}
 impl BlockExpr {
-    pub fn label(&self) -> Option<Label> { support::child(&self.syntax) }
     pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
     pub fn statements(&self) -> AstChildren<Stmt> { support::children(&self.syntax) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
@@ -369,7 +467,7 @@ impl SelfParam {
     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![:]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Param {
@@ -379,17 +477,10 @@ impl ast::AttrsOwner 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 ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
     pub fn dotdotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![...]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TypeBoundList {
-    pub(crate) syntax: SyntaxNode,
-}
-impl TypeBoundList {
-    pub fn bounds(&self) -> AstChildren<TypeBound> { support::children(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct RecordFieldList {
     pub(crate) syntax: SyntaxNode,
 }
@@ -416,7 +507,7 @@ impl ast::NameOwner for RecordField {}
 impl ast::VisibilityOwner for RecordField {}
 impl RecordField {
     pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct TupleField {
@@ -425,7 +516,7 @@ pub struct TupleField {
 impl ast::AttrsOwner for TupleField {}
 impl ast::VisibilityOwner for TupleField {}
 impl TupleField {
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct VariantList {
@@ -469,10 +560,24 @@ impl ExternItemList {
     pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct ConstParam {
+    pub(crate) syntax: SyntaxNode,
+}
+impl ast::AttrsOwner for ConstParam {}
+impl ast::NameOwner for ConstParam {}
+impl ConstParam {
+    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
+    pub fn default_val(&self) -> Option<Expr> { support::child(&self.syntax) }
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct LifetimeParam {
     pub(crate) syntax: SyntaxNode,
 }
 impl ast::AttrsOwner for LifetimeParam {}
+impl ast::TypeBoundsOwner for LifetimeParam {}
 impl LifetimeParam {
     pub fn lifetime_token(&self) -> Option<SyntaxToken> {
         support::token(&self.syntax, T![lifetime])
@@ -487,200 +592,124 @@ impl ast::NameOwner for TypeParam {}
 impl ast::TypeBoundsOwner for TypeParam {}
 impl TypeParam {
     pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
-    pub fn default_type(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn default_type(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ConstParam {
+pub struct WherePred {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for ConstParam {}
-impl ast::NameOwner for ConstParam {}
-impl ConstParam {
-    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
-    pub fn default_val(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl ast::TypeBoundsOwner for WherePred {}
+impl WherePred {
+    pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
+    pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) }
+    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![lifetime])
+    }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Literal {
     pub(crate) syntax: SyntaxNode,
 }
+impl ast::AttrsOwner for Literal {}
 impl Literal {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TokenTree {
-    pub(crate) syntax: SyntaxNode,
-}
-impl TokenTree {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
-    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
-    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ParenType {
+pub struct ExprStmt {
     pub(crate) syntax: SyntaxNode,
 }
-impl ParenType {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+impl ast::AttrsOwner for ExprStmt {}
+impl ExprStmt {
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TupleType {
+pub struct LetStmt {
     pub(crate) syntax: SyntaxNode,
 }
-impl TupleType {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn fields(&self) -> AstChildren<TypeRef> { support::children(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+impl ast::AttrsOwner for LetStmt {}
+impl LetStmt {
+    pub fn let_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![let]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
+    pub fn initializer(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct NeverType {
+pub struct ArrayExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl NeverType {
-    pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
+impl ast::AttrsOwner for ArrayExpr {}
+impl ArrayExpr {
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn exprs(&self) -> AstChildren<Expr> { support::children(&self.syntax) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PathType {
+pub struct AwaitExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl PathType {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+impl ast::AttrsOwner for AwaitExpr {}
+impl AwaitExpr {
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
+    pub fn await_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![await]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PointerType {
+pub struct BinExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl PointerType {
-    pub fn star_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![*]) }
-    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
-    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-}
+impl ast::AttrsOwner for BinExpr {}
+impl BinExpr {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ArrayType {
+pub struct BoxExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ArrayType {
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
+impl ast::AttrsOwner for BoxExpr {}
+impl BoxExpr {
+    pub fn box_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![box]) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SliceType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl SliceType {
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ReferenceType {
+pub struct BreakExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ReferenceType {
-    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
+impl ast::AttrsOwner for BreakExpr {}
+impl BreakExpr {
+    pub fn break_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![break]) }
     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 ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PlaceholderType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl PlaceholderType {
-    pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct FnPointerType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl FnPointerType {
-    pub fn abi(&self) -> Option<Abi> { support::child(&self.syntax) }
-    pub fn unsafe_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![unsafe]) }
-    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) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ForType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ForType {
-    pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
-    pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ImplTraitType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ImplTraitType {
-    pub fn impl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![impl]) }
-    pub fn type_bound_list(&self) -> Option<TypeBoundList> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct DynTraitType {
-    pub(crate) syntax: SyntaxNode,
-}
-impl DynTraitType {
-    pub fn dyn_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![dyn]) }
-    pub fn type_bound_list(&self) -> Option<TypeBoundList> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TupleExpr {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for TupleExpr {}
-impl TupleExpr {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn exprs(&self) -> AstChildren<Expr> { support::children(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ArrayExpr {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for ArrayExpr {}
-impl ArrayExpr {
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn exprs(&self) -> AstChildren<Expr> { support::children(&self.syntax) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ParenExpr {
+pub struct CallExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for ParenExpr {}
-impl ParenExpr {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+impl ast::AttrsOwner for CallExpr {}
+impl ast::ArgListOwner for CallExpr {}
+impl CallExpr {
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PathExpr {
+pub struct CastExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl PathExpr {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+impl ast::AttrsOwner for CastExpr {}
+impl CastExpr {
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn as_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![as]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct LambdaExpr {
+pub struct ClosureExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for LambdaExpr {}
-impl LambdaExpr {
+impl ast::AttrsOwner for ClosureExpr {}
+impl ClosureExpr {
     pub fn static_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![static]) }
     pub fn async_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![async]) }
     pub fn move_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![move]) }
@@ -689,23 +718,17 @@ impl LambdaExpr {
     pub fn body(&self) -> Option<Expr> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct IfExpr {
-    pub(crate) syntax: SyntaxNode,
-}
-impl ast::AttrsOwner for IfExpr {}
-impl IfExpr {
-    pub fn if_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![if]) }
-    pub fn condition(&self) -> Option<Condition> { support::child(&self.syntax) }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Condition {
+pub struct ContinueExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl Condition {
-    pub fn let_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![let]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
-    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl ast::AttrsOwner for ContinueExpr {}
+impl ContinueExpr {
+    pub fn continue_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![continue])
+    }
+    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![lifetime])
+    }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct EffectExpr {
@@ -720,22 +743,14 @@ impl EffectExpr {
     pub fn block_expr(&self) -> Option<BlockExpr> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct Label {
-    pub(crate) syntax: SyntaxNode,
-}
-impl Label {
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
-    }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct LoopExpr {
+pub struct FieldExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for LoopExpr {}
-impl ast::LoopBodyOwner for LoopExpr {}
-impl LoopExpr {
-    pub fn loop_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![loop]) }
+impl ast::AttrsOwner for FieldExpr {}
+impl FieldExpr {
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
+    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct ForExpr {
@@ -750,120 +765,117 @@ impl ForExpr {
     pub fn iterable(&self) -> Option<Expr> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct WhileExpr {
+pub struct IfExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for WhileExpr {}
-impl ast::LoopBodyOwner for WhileExpr {}
-impl WhileExpr {
-    pub fn while_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![while]) }
+impl ast::AttrsOwner for IfExpr {}
+impl IfExpr {
+    pub fn if_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![if]) }
     pub fn condition(&self) -> Option<Condition> { support::child(&self.syntax) }
+    pub fn else_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![else]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ContinueExpr {
+pub struct IndexExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for ContinueExpr {}
-impl ContinueExpr {
-    pub fn continue_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![continue])
-    }
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
-    }
+impl ast::AttrsOwner for IndexExpr {}
+impl IndexExpr {
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BreakExpr {
+pub struct LoopExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for BreakExpr {}
-impl BreakExpr {
-    pub fn break_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![break]) }
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
-    }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl ast::AttrsOwner for LoopExpr {}
+impl ast::LoopBodyOwner for LoopExpr {}
+impl LoopExpr {
+    pub fn loop_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![loop]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ReturnExpr {
+pub struct MatchExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for ReturnExpr {}
-impl ReturnExpr {
-    pub fn return_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![return]) }
+impl ast::AttrsOwner for MatchExpr {}
+impl MatchExpr {
+    pub fn match_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![match]) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn match_arm_list(&self) -> Option<MatchArmList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct CallExpr {
+pub struct MethodCallExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for CallExpr {}
-impl ast::ArgListOwner for CallExpr {}
-impl CallExpr {
+impl ast::AttrsOwner for MethodCallExpr {}
+impl ast::ArgListOwner for MethodCallExpr {}
+impl MethodCallExpr {
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
+    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
+    pub fn generic_arg_list(&self) -> Option<GenericArgList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ArgList {
+pub struct ParenExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ArgList {
+impl ast::AttrsOwner for ParenExpr {}
+impl ParenExpr {
     pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn args(&self) -> AstChildren<Expr> { support::children(&self.syntax) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
     pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MethodCallExpr {
+pub struct PathExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for MethodCallExpr {}
-impl ast::ArgListOwner for MethodCallExpr {}
-impl MethodCallExpr {
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
-    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
-    pub fn type_arg_list(&self) -> Option<TypeArgList> { support::child(&self.syntax) }
+impl ast::AttrsOwner for PathExpr {}
+impl PathExpr {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TypeArgList {
+pub struct PrefixExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl TypeArgList {
-    pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
-    pub fn l_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![<]) }
-    pub fn type_args(&self) -> AstChildren<TypeArg> { support::children(&self.syntax) }
-    pub fn lifetime_args(&self) -> AstChildren<LifetimeArg> { support::children(&self.syntax) }
-    pub fn assoc_type_args(&self) -> AstChildren<AssocTypeArg> { support::children(&self.syntax) }
-    pub fn const_args(&self) -> AstChildren<ConstArg> { support::children(&self.syntax) }
-    pub fn r_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![>]) }
+impl ast::AttrsOwner for PrefixExpr {}
+impl PrefixExpr {
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct FieldExpr {
+pub struct RangeExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for FieldExpr {}
-impl FieldExpr {
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
-    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
+impl ast::AttrsOwner for RangeExpr {}
+impl RangeExpr {}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct RecordExpr {
+    pub(crate) syntax: SyntaxNode,
+}
+impl RecordExpr {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn record_expr_field_list(&self) -> Option<RecordExprFieldList> {
+        support::child(&self.syntax)
+    }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct IndexExpr {
+pub struct RefExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for IndexExpr {}
-impl IndexExpr {
-    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
+impl ast::AttrsOwner for RefExpr {}
+impl RefExpr {
+    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
+    pub fn raw_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![raw]) }
+    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct AwaitExpr {
+pub struct ReturnExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for AwaitExpr {}
-impl AwaitExpr {
+impl ast::AttrsOwner for ReturnExpr {}
+impl ReturnExpr {
+    pub fn return_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![return]) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn dot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![.]) }
-    pub fn await_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![await]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct TryExpr {
@@ -875,70 +887,80 @@ impl TryExpr {
     pub fn question_mark_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![?]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct CastExpr {
+pub struct TupleExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for CastExpr {}
-impl CastExpr {
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn as_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![as]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+impl ast::AttrsOwner for TupleExpr {}
+impl TupleExpr {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn fields(&self) -> AstChildren<Expr> { support::children(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RefExpr {
+pub struct WhileExpr {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for RefExpr {}
-impl RefExpr {
-    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
-    pub fn raw_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![raw]) }
-    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
-    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl ast::AttrsOwner for WhileExpr {}
+impl ast::LoopBodyOwner for WhileExpr {}
+impl WhileExpr {
+    pub fn while_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![while]) }
+    pub fn condition(&self) -> Option<Condition> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PrefixExpr {
+pub struct Label {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for PrefixExpr {}
-impl PrefixExpr {
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl Label {
+    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![lifetime])
+    }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BoxExpr {
+pub struct RecordExprFieldList {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for BoxExpr {}
-impl BoxExpr {
-    pub fn box_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![box]) }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl ast::AttrsOwner for RecordExprFieldList {}
+impl RecordExprFieldList {
+    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
+    pub fn fields(&self) -> AstChildren<RecordExprField> { support::children(&self.syntax) }
+    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
+    pub fn spread(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RangeExpr {
+pub struct RecordExprField {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for RangeExpr {}
-impl RangeExpr {}
+impl ast::AttrsOwner for RecordExprField {}
+impl RecordExprField {
+    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BinExpr {
+pub struct ArgList {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for BinExpr {}
-impl BinExpr {}
+impl ArgList {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn args(&self) -> AstChildren<Expr> { support::children(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MatchExpr {
+pub struct Condition {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for MatchExpr {}
-impl MatchExpr {
-    pub fn match_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![match]) }
+impl Condition {
+    pub fn let_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![let]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn match_arm_list(&self) -> Option<MatchArmList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct MatchArmList {
     pub(crate) syntax: SyntaxNode,
 }
+impl ast::AttrsOwner for MatchArmList {}
 impl MatchArmList {
     pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
     pub fn arms(&self) -> AstChildren<MatchArm> { support::children(&self.syntax) }
@@ -954,6 +976,7 @@ impl MatchArm {
     pub fn guard(&self) -> Option<MatchGuard> { support::child(&self.syntax) }
     pub fn fat_arrow_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=>]) }
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn comma_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![,]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct MatchGuard {
@@ -964,304 +987,326 @@ impl MatchGuard {
     pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordExpr {
-    pub(crate) syntax: SyntaxNode,
-}
-impl RecordExpr {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
-    pub fn record_expr_field_list(&self) -> Option<RecordExprFieldList> {
-        support::child(&self.syntax)
-    }
-}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordExprFieldList {
+pub struct ArrayType {
     pub(crate) syntax: SyntaxNode,
 }
-impl RecordExprFieldList {
-    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
-    pub fn fields(&self) -> AstChildren<RecordExprField> { support::children(&self.syntax) }
-    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
-    pub fn spread(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
+impl ArrayType {
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
+    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordExprField {
+pub struct DynTraitType {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for RecordExprField {}
-impl RecordExprField {
-    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl DynTraitType {
+    pub fn dyn_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![dyn]) }
+    pub fn type_bound_list(&self) -> Option<TypeBoundList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct OrPat {
+pub struct FnPtrType {
     pub(crate) syntax: SyntaxNode,
 }
-impl OrPat {
-    pub fn pats(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
+impl FnPtrType {
+    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
+    pub fn async_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![async]) }
+    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) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ParenPat {
+pub struct ForType {
     pub(crate) syntax: SyntaxNode,
 }
-impl ParenPat {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+impl ForType {
+    pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
+    pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RefPat {
+pub struct ImplTraitType {
     pub(crate) syntax: SyntaxNode,
 }
-impl RefPat {
-    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
-    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+impl ImplTraitType {
+    pub fn impl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![impl]) }
+    pub fn type_bound_list(&self) -> Option<TypeBoundList> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BoxPat {
+pub struct InferType {
     pub(crate) syntax: SyntaxNode,
 }
-impl BoxPat {
-    pub fn box_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![box]) }
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+impl InferType {
+    pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BindPat {
+pub struct NeverType {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for BindPat {}
-impl ast::NameOwner for BindPat {}
-impl BindPat {
-    pub fn ref_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ref]) }
-    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
-    pub fn at_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![@]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+impl NeverType {
+    pub fn excl_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![!]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PlaceholderPat {
+pub struct ParenType {
     pub(crate) syntax: SyntaxNode,
 }
-impl PlaceholderPat {
-    pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
+impl ParenType {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct DotDotPat {
+pub struct PtrType {
     pub(crate) syntax: SyntaxNode,
 }
-impl DotDotPat {
-    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
+impl PtrType {
+    pub fn star_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![*]) }
+    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
+    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PathPat {
+pub struct RefType {
     pub(crate) syntax: SyntaxNode,
 }
-impl PathPat {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+impl RefType {
+    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 ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SlicePat {
+pub struct SliceType {
     pub(crate) syntax: SyntaxNode,
 }
-impl SlicePat {
+impl SliceType {
     pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
-    pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
     pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RangePat {
+pub struct TupleType {
     pub(crate) syntax: SyntaxNode,
 }
-impl RangePat {
-    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
-    pub fn dotdoteq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..=]) }
+impl TupleType {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn fields(&self) -> AstChildren<Type> { support::children(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct LiteralPat {
+pub struct TypeBound {
     pub(crate) syntax: SyntaxNode,
 }
-impl LiteralPat {
-    pub fn literal(&self) -> Option<Literal> { support::child(&self.syntax) }
+impl TypeBound {
+    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
+        support::token(&self.syntax, T![lifetime])
+    }
+    pub fn question_mark_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![?]) }
+    pub fn ty(&self) -> Option<Type> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroPat {
+pub struct IdentPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl MacroPat {
-    pub fn macro_call(&self) -> Option<MacroCall> { support::child(&self.syntax) }
+impl ast::AttrsOwner for IdentPat {}
+impl ast::NameOwner for IdentPat {}
+impl IdentPat {
+    pub fn ref_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![ref]) }
+    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn at_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![@]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordPat {
+pub struct BoxPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl RecordPat {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
-    pub fn record_field_pat_list(&self) -> Option<RecordFieldPatList> {
-        support::child(&self.syntax)
-    }
+impl BoxPat {
+    pub fn box_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![box]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordFieldPatList {
+pub struct RestPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl RecordFieldPatList {
-    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
-    pub fn record_field_pats(&self) -> AstChildren<RecordFieldPat> {
-        support::children(&self.syntax)
-    }
-    pub fn bind_pats(&self) -> AstChildren<BindPat> { support::children(&self.syntax) }
+impl RestPat {
     pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
-    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct RecordFieldPat {
+pub struct LiteralPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for RecordFieldPat {}
-impl RecordFieldPat {
-    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+impl LiteralPat {
+    pub fn literal(&self) -> Option<Literal> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TupleStructPat {
+pub struct MacroPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl TupleStructPat {
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+impl MacroPat {
+    pub fn macro_call(&self) -> Option<MacroCall> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TuplePat {
+pub struct OrPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl TuplePat {
-    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
-    pub fn args(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
-    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
+impl OrPat {
+    pub fn pats(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroDef {
+pub struct ParenPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::NameOwner for MacroDef {}
-impl MacroDef {
-    pub fn token_tree(&self) -> Option<TokenTree> { support::child(&self.syntax) }
+impl ParenPat {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroItems {
+pub struct PathPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::ModuleItemOwner for MacroItems {}
-impl MacroItems {}
+impl PathPat {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct MacroStmts {
+pub struct WildcardPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl MacroStmts {
-    pub fn statements(&self) -> AstChildren<Stmt> { support::children(&self.syntax) }
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
+impl WildcardPat {
+    pub fn underscore_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![_]) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TypeBound {
+pub struct RangePat {
     pub(crate) syntax: SyntaxNode,
 }
-impl TypeBound {
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
-    }
-    pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) }
-    pub fn type_ref(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-}
+impl RangePat {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct WherePred {
+pub struct RecordPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::TypeBoundsOwner for WherePred {}
-impl WherePred {
-    pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) }
-    pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) }
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
+impl RecordPat {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn record_pat_field_list(&self) -> Option<RecordPatFieldList> {
+        support::child(&self.syntax)
     }
-    pub fn type_ref(&self) -> Option<TypeRef> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ExprStmt {
+pub struct RefPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for ExprStmt {}
-impl ExprStmt {
-    pub fn expr(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
+impl RefPat {
+    pub fn amp_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![&]) }
+    pub fn mut_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![mut]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct LetStmt {
+pub struct SlicePat {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::AttrsOwner for LetStmt {}
-impl LetStmt {
-    pub fn let_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![let]) }
-    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
-    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
-    pub fn ty(&self) -> Option<TypeRef> { support::child(&self.syntax) }
-    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
-    pub fn initializer(&self) -> Option<Expr> { support::child(&self.syntax) }
-    pub fn semicolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![;]) }
+impl SlicePat {
+    pub fn l_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['[']) }
+    pub fn pats(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
+    pub fn r_brack_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![']']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct PathSegment {
+pub struct TuplePat {
     pub(crate) syntax: SyntaxNode,
 }
-impl PathSegment {
-    pub fn coloncolon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![::]) }
-    pub fn crate_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![crate]) }
-    pub fn self_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![self]) }
-    pub fn super_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![super]) }
-    pub fn l_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![<]) }
-    pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
-    pub fn type_arg_list(&self) -> Option<TypeArgList> { support::child(&self.syntax) }
-    pub fn param_list(&self) -> Option<ParamList> { support::child(&self.syntax) }
-    pub fn ret_type(&self) -> Option<RetType> { support::child(&self.syntax) }
-    pub fn path_type(&self) -> Option<PathType> { support::child(&self.syntax) }
-    pub fn r_angle_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![>]) }
+impl TuplePat {
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn fields(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct TypeArg {
+pub struct TupleStructPat {
     pub(crate) syntax: SyntaxNode,
 }
-impl TypeArg {
-    pub fn type_ref(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+impl TupleStructPat {
+    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn l_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['(']) }
+    pub fn fields(&self) -> AstChildren<Pat> { support::children(&self.syntax) }
+    pub fn r_paren_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![')']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct LifetimeArg {
+pub struct RecordPatFieldList {
     pub(crate) syntax: SyntaxNode,
 }
-impl LifetimeArg {
-    pub fn lifetime_token(&self) -> Option<SyntaxToken> {
-        support::token(&self.syntax, T![lifetime])
-    }
+impl RecordPatFieldList {
+    pub fn l_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['{']) }
+    pub fn fields(&self) -> AstChildren<RecordPatField> { support::children(&self.syntax) }
+    pub fn dotdot_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![..]) }
+    pub fn r_curly_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T!['}']) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct AssocTypeArg {
+pub struct RecordPatField {
     pub(crate) syntax: SyntaxNode,
 }
-impl ast::TypeBoundsOwner for AssocTypeArg {}
-impl AssocTypeArg {
+impl ast::AttrsOwner for RecordPatField {}
+impl RecordPatField {
     pub fn name_ref(&self) -> Option<NameRef> { support::child(&self.syntax) }
-    pub fn eq_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![=]) }
-    pub fn type_ref(&self) -> Option<TypeRef> { support::child(&self.syntax) }
+    pub fn colon_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![:]) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct ConstArg {
-    pub(crate) syntax: SyntaxNode,
+pub enum GenericArg {
+    TypeArg(TypeArg),
+    AssocTypeArg(AssocTypeArg),
+    LifetimeArg(LifetimeArg),
+    ConstArg(ConstArg),
 }
-impl ConstArg {
-    pub fn literal(&self) -> Option<Literal> { support::child(&self.syntax) }
-    pub fn block_expr(&self) -> Option<BlockExpr> { support::child(&self.syntax) }
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum Type {
+    ArrayType(ArrayType),
+    DynTraitType(DynTraitType),
+    FnPtrType(FnPtrType),
+    ForType(ForType),
+    ImplTraitType(ImplTraitType),
+    InferType(InferType),
+    NeverType(NeverType),
+    ParenType(ParenType),
+    PathType(PathType),
+    PtrType(PtrType),
+    RefType(RefType),
+    SliceType(SliceType),
+    TupleType(TupleType),
+}
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum Expr {
+    ArrayExpr(ArrayExpr),
+    AwaitExpr(AwaitExpr),
+    BinExpr(BinExpr),
+    BlockExpr(BlockExpr),
+    BoxExpr(BoxExpr),
+    BreakExpr(BreakExpr),
+    CallExpr(CallExpr),
+    CastExpr(CastExpr),
+    ClosureExpr(ClosureExpr),
+    ContinueExpr(ContinueExpr),
+    EffectExpr(EffectExpr),
+    FieldExpr(FieldExpr),
+    ForExpr(ForExpr),
+    IfExpr(IfExpr),
+    IndexExpr(IndexExpr),
+    Literal(Literal),
+    LoopExpr(LoopExpr),
+    MacroCall(MacroCall),
+    MatchExpr(MatchExpr),
+    MethodCallExpr(MethodCallExpr),
+    ParenExpr(ParenExpr),
+    PathExpr(PathExpr),
+    PrefixExpr(PrefixExpr),
+    RangeExpr(RangeExpr),
+    RecordExpr(RecordExpr),
+    RefExpr(RefExpr),
+    ReturnExpr(ReturnExpr),
+    TryExpr(TryExpr),
+    TupleExpr(TupleExpr),
+    WhileExpr(WhileExpr),
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum Item {
@@ -1282,38 +1327,28 @@ pub enum Item {
 }
 impl ast::AttrsOwner for Item {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum TypeRef {
-    ParenType(ParenType),
-    TupleType(TupleType),
-    NeverType(NeverType),
-    PathType(PathType),
-    PointerType(PointerType),
-    ArrayType(ArrayType),
-    SliceType(SliceType),
-    ReferenceType(ReferenceType),
-    PlaceholderType(PlaceholderType),
-    FnPointerType(FnPointerType),
-    ForType(ForType),
-    ImplTraitType(ImplTraitType),
-    DynTraitType(DynTraitType),
+pub enum Stmt {
+    ExprStmt(ExprStmt),
+    Item(Item),
+    LetStmt(LetStmt),
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum Pat {
+    IdentPat(IdentPat),
+    BoxPat(BoxPat),
+    RestPat(RestPat),
+    LiteralPat(LiteralPat),
+    MacroPat(MacroPat),
     OrPat(OrPat),
     ParenPat(ParenPat),
-    RefPat(RefPat),
-    BoxPat(BoxPat),
-    BindPat(BindPat),
-    PlaceholderPat(PlaceholderPat),
-    DotDotPat(DotDotPat),
     PathPat(PathPat),
+    WildcardPat(WildcardPat),
+    RangePat(RangePat),
     RecordPat(RecordPat),
-    TupleStructPat(TupleStructPat),
-    TuplePat(TuplePat),
+    RefPat(RefPat),
     SlicePat(SlicePat),
-    RangePat(RangePat),
-    LiteralPat(LiteralPat),
-    MacroPat(MacroPat),
+    TuplePat(TuplePat),
+    TupleStructPat(TupleStructPat),
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum FieldList {
@@ -1321,81 +1356,52 @@ pub enum FieldList {
     TupleFieldList(TupleFieldList),
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum Expr {
-    TupleExpr(TupleExpr),
-    ArrayExpr(ArrayExpr),
-    ParenExpr(ParenExpr),
-    PathExpr(PathExpr),
-    LambdaExpr(LambdaExpr),
-    IfExpr(IfExpr),
-    LoopExpr(LoopExpr),
-    ForExpr(ForExpr),
-    WhileExpr(WhileExpr),
-    ContinueExpr(ContinueExpr),
-    BreakExpr(BreakExpr),
-    Label(Label),
-    BlockExpr(BlockExpr),
-    ReturnExpr(ReturnExpr),
-    MatchExpr(MatchExpr),
-    RecordExpr(RecordExpr),
-    CallExpr(CallExpr),
-    IndexExpr(IndexExpr),
-    MethodCallExpr(MethodCallExpr),
-    FieldExpr(FieldExpr),
-    AwaitExpr(AwaitExpr),
-    TryExpr(TryExpr),
-    EffectExpr(EffectExpr),
-    CastExpr(CastExpr),
-    RefExpr(RefExpr),
-    PrefixExpr(PrefixExpr),
-    RangeExpr(RangeExpr),
-    BinExpr(BinExpr),
-    Literal(Literal),
-    MacroCall(MacroCall),
-    BoxExpr(BoxExpr),
+pub enum AdtDef {
+    Enum(Enum),
+    Struct(Struct),
+    Union(Union),
 }
+impl ast::AttrsOwner for AdtDef {}
+impl ast::GenericParamsOwner for AdtDef {}
+impl ast::NameOwner for AdtDef {}
+impl ast::VisibilityOwner for AdtDef {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum AssocItem {
-    Fn(Fn),
-    TypeAlias(TypeAlias),
     Const(Const),
+    Fn(Fn),
     MacroCall(MacroCall),
+    TypeAlias(TypeAlias),
 }
 impl ast::AttrsOwner for AssocItem {}
 impl ast::NameOwner for AssocItem {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum ExternItem {
     Fn(Fn),
-    Static(Static),
     MacroCall(MacroCall),
+    Static(Static),
 }
 impl ast::AttrsOwner for ExternItem {}
 impl ast::NameOwner for ExternItem {}
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub enum GenericParam {
+    ConstParam(ConstParam),
     LifetimeParam(LifetimeParam),
     TypeParam(TypeParam),
-    ConstParam(ConstParam),
 }
 impl ast::AttrsOwner for GenericParam {}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum Stmt {
-    LetStmt(LetStmt),
-    ExprStmt(ExprStmt),
-}
-impl ast::AttrsOwner for Stmt {}
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum AdtDef {
-    Struct(Struct),
-    Enum(Enum),
-    Union(Union),
+impl AstNode for Name {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        if Self::can_cast(syntax.kind()) {
+            Some(Self { syntax })
+        } else {
+            None
+        }
+    }
+    fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl ast::AttrsOwner for AdtDef {}
-impl ast::GenericParamsOwner for AdtDef {}
-impl ast::NameOwner for AdtDef {}
-impl ast::VisibilityOwner for AdtDef {}
-impl AstNode for SourceFile {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SOURCE_FILE }
+impl AstNode for NameRef {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME_REF }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1405,8 +1411,8 @@ impl AstNode for SourceFile {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Attr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ATTR }
+impl AstNode for Path {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1416,8 +1422,8 @@ impl AstNode for Attr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Const {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CONST }
+impl AstNode for PathSegment {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_SEGMENT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1427,8 +1433,8 @@ impl AstNode for Const {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Enum {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ENUM }
+impl AstNode for GenericArgList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == GENERIC_ARG_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1438,8 +1444,8 @@ impl AstNode for Enum {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ExternBlock {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == EXTERN_BLOCK }
+impl AstNode for ParamList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PARAM_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1449,8 +1455,8 @@ impl AstNode for ExternBlock {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ExternCrate {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == EXTERN_CRATE }
+impl AstNode for RetType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RET_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1460,8 +1466,8 @@ impl AstNode for ExternCrate {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Fn {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FN }
+impl AstNode for PathType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1471,8 +1477,8 @@ impl AstNode for Fn {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Impl {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == IMPL }
+impl AstNode for TypeArg {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_ARG }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1482,8 +1488,8 @@ impl AstNode for Impl {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroCall {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_CALL }
+impl AstNode for AssocTypeArg {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ASSOC_TYPE_ARG }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1493,8 +1499,8 @@ impl AstNode for MacroCall {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Module {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MODULE }
+impl AstNode for LifetimeArg {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LIFETIME_ARG }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1504,8 +1510,8 @@ impl AstNode for Module {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Static {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == STATIC }
+impl AstNode for ConstArg {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CONST_ARG }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1515,8 +1521,8 @@ impl AstNode for Static {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Struct {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == STRUCT }
+impl AstNode for TypeBoundList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_BOUND_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1526,8 +1532,8 @@ impl AstNode for Struct {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Trait {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TRAIT }
+impl AstNode for MacroCall {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_CALL }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1537,8 +1543,8 @@ impl AstNode for Trait {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TypeAlias {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_ALIAS }
+impl AstNode for Attr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ATTR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1548,8 +1554,8 @@ impl AstNode for TypeAlias {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Union {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == UNION }
+impl AstNode for TokenTree {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TOKEN_TREE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1559,8 +1565,8 @@ impl AstNode for Union {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Use {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == USE }
+impl AstNode for MacroItems {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_ITEMS }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1570,8 +1576,8 @@ impl AstNode for Use {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Visibility {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == VISIBILITY }
+impl AstNode for MacroStmts {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_STMTS }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1581,8 +1587,8 @@ impl AstNode for Visibility {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Name {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME }
+impl AstNode for SourceFile {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == SOURCE_FILE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1592,8 +1598,8 @@ impl AstNode for Name {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ItemList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ITEM_LIST }
+impl AstNode for Const {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CONST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1603,8 +1609,8 @@ impl AstNode for ItemList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for NameRef {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == NAME_REF }
+impl AstNode for Enum {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ENUM }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1614,8 +1620,8 @@ impl AstNode for NameRef {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Rename {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RENAME }
+impl AstNode for ExternBlock {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == EXTERN_BLOCK }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1625,8 +1631,8 @@ impl AstNode for Rename {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for UseTree {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == USE_TREE }
+impl AstNode for ExternCrate {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == EXTERN_CRATE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1636,8 +1642,8 @@ impl AstNode for UseTree {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Path {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH }
+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 })
@@ -1647,8 +1653,8 @@ impl AstNode for Path {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for UseTreeList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == USE_TREE_LIST }
+impl AstNode for Impl {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == IMPL }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1658,8 +1664,8 @@ impl AstNode for UseTreeList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Abi {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ABI }
+impl AstNode for Module {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MODULE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1669,8 +1675,8 @@ impl AstNode for Abi {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for GenericParamList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == GENERIC_PARAM_LIST }
+impl AstNode for Static {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == STATIC }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1680,8 +1686,8 @@ impl AstNode for GenericParamList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ParamList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PARAM_LIST }
+impl AstNode for Struct {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == STRUCT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1691,8 +1697,8 @@ impl AstNode for ParamList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RetType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RET_TYPE }
+impl AstNode for Trait {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TRAIT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1702,8 +1708,8 @@ impl AstNode for RetType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for WhereClause {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == WHERE_CLAUSE }
+impl AstNode for TypeAlias {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_ALIAS }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1713,8 +1719,8 @@ impl AstNode for WhereClause {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BlockExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BLOCK_EXPR }
+impl AstNode for Union {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == UNION }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1724,8 +1730,8 @@ impl AstNode for BlockExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for SelfParam {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SELF_PARAM }
+impl AstNode for Use {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == USE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1735,8 +1741,8 @@ impl AstNode for SelfParam {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Param {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PARAM }
+impl AstNode for Visibility {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == VISIBILITY }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1746,8 +1752,8 @@ impl AstNode for Param {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TypeBoundList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_BOUND_LIST }
+impl AstNode for ItemList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ITEM_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1757,8 +1763,8 @@ impl AstNode for TypeBoundList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordFieldList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_LIST }
+impl AstNode for Rename {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RENAME }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1768,8 +1774,8 @@ impl AstNode for RecordFieldList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TupleFieldList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_FIELD_LIST }
+impl AstNode for UseTree {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == USE_TREE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1779,8 +1785,8 @@ impl AstNode for TupleFieldList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordField {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD }
+impl AstNode for UseTreeList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == USE_TREE_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1790,8 +1796,8 @@ impl AstNode for RecordField {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TupleField {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_FIELD }
+impl AstNode for Abi {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ABI }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1801,8 +1807,8 @@ impl AstNode for TupleField {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for VariantList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == VARIANT_LIST }
+impl AstNode for GenericParamList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == GENERIC_PARAM_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1812,8 +1818,8 @@ impl AstNode for VariantList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Variant {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == VARIANT }
+impl AstNode for WhereClause {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == WHERE_CLAUSE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1823,8 +1829,8 @@ impl AstNode for Variant {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for AssocItemList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ASSOC_ITEM_LIST }
+impl AstNode for BlockExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BLOCK_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1834,8 +1840,8 @@ impl AstNode for AssocItemList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ExternItemList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == EXTERN_ITEM_LIST }
+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 })
@@ -1845,8 +1851,8 @@ impl AstNode for ExternItemList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LifetimeParam {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LIFETIME_PARAM }
+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 })
@@ -1856,8 +1862,8 @@ impl AstNode for LifetimeParam {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TypeParam {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_PARAM }
+impl AstNode for RecordFieldList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1867,8 +1873,8 @@ impl AstNode for TypeParam {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ConstParam {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CONST_PARAM }
+impl AstNode for TupleFieldList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_FIELD_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1878,8 +1884,8 @@ impl AstNode for ConstParam {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Literal {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL }
+impl AstNode for RecordField {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1889,8 +1895,8 @@ impl AstNode for Literal {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TokenTree {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TOKEN_TREE }
+impl AstNode for TupleField {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_FIELD }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1900,8 +1906,8 @@ impl AstNode for TokenTree {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ParenType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_TYPE }
+impl AstNode for VariantList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == VARIANT_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1911,8 +1917,8 @@ impl AstNode for ParenType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TupleType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_TYPE }
+impl AstNode for Variant {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == VARIANT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1922,8 +1928,8 @@ impl AstNode for TupleType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for NeverType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == NEVER_TYPE }
+impl AstNode for AssocItemList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ASSOC_ITEM_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1933,8 +1939,8 @@ impl AstNode for NeverType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PathType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_TYPE }
+impl AstNode for ExternItemList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == EXTERN_ITEM_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1944,8 +1950,8 @@ impl AstNode for PathType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PointerType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == POINTER_TYPE }
+impl AstNode for ConstParam {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CONST_PARAM }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1955,8 +1961,8 @@ impl AstNode for PointerType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ArrayType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ARRAY_TYPE }
+impl AstNode for LifetimeParam {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LIFETIME_PARAM }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1966,8 +1972,8 @@ impl AstNode for ArrayType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for SliceType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SLICE_TYPE }
+impl AstNode for TypeParam {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_PARAM }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1977,8 +1983,8 @@ impl AstNode for SliceType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ReferenceType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == REFERENCE_TYPE }
+impl AstNode for WherePred {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == WHERE_PRED }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1988,8 +1994,8 @@ impl AstNode for ReferenceType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PlaceholderType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PLACEHOLDER_TYPE }
+impl AstNode for Literal {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -1999,8 +2005,8 @@ impl AstNode for PlaceholderType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for FnPointerType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FN_POINTER_TYPE }
+impl AstNode for ExprStmt {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == EXPR_STMT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2010,8 +2016,8 @@ impl AstNode for FnPointerType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ForType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FOR_TYPE }
+impl AstNode for LetStmt {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LET_STMT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2021,8 +2027,8 @@ impl AstNode for ForType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ImplTraitType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == IMPL_TRAIT_TYPE }
+impl AstNode for ArrayExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ARRAY_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2032,8 +2038,8 @@ impl AstNode for ImplTraitType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for DynTraitType {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == DYN_TRAIT_TYPE }
+impl AstNode for AwaitExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == AWAIT_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2043,8 +2049,8 @@ impl AstNode for DynTraitType {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TupleExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_EXPR }
+impl AstNode for BinExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BIN_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2054,8 +2060,8 @@ impl AstNode for TupleExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ArrayExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ARRAY_EXPR }
+impl AstNode for BoxExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BOX_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2065,8 +2071,8 @@ impl AstNode for ArrayExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ParenExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_EXPR }
+impl AstNode for BreakExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BREAK_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2076,8 +2082,8 @@ impl AstNode for ParenExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PathExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_EXPR }
+impl AstNode for CallExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CALL_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2087,8 +2093,8 @@ impl AstNode for PathExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LambdaExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LAMBDA_EXPR }
+impl AstNode for CastExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CAST_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2098,8 +2104,8 @@ impl AstNode for LambdaExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for IfExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == IF_EXPR }
+impl AstNode for ClosureExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CLOSURE_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2109,8 +2115,8 @@ impl AstNode for IfExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Condition {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CONDITION }
+impl AstNode for ContinueExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CONTINUE_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2131,8 +2137,8 @@ impl AstNode for EffectExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for Label {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LABEL }
+impl AstNode for FieldExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == FIELD_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2142,8 +2148,8 @@ impl AstNode for Label {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LoopExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LOOP_EXPR }
+impl AstNode for ForExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == FOR_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2153,8 +2159,8 @@ impl AstNode for LoopExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ForExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FOR_EXPR }
+impl AstNode for IfExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == IF_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2164,8 +2170,8 @@ impl AstNode for ForExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for WhileExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == WHILE_EXPR }
+impl AstNode for IndexExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == INDEX_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2175,8 +2181,8 @@ impl AstNode for WhileExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ContinueExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CONTINUE_EXPR }
+impl AstNode for LoopExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LOOP_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2186,8 +2192,8 @@ impl AstNode for ContinueExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BreakExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BREAK_EXPR }
+impl AstNode for MatchExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MATCH_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2197,8 +2203,8 @@ impl AstNode for BreakExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ReturnExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RETURN_EXPR }
+impl AstNode for MethodCallExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == METHOD_CALL_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2208,8 +2214,8 @@ impl AstNode for ReturnExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for CallExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CALL_EXPR }
+impl AstNode for ParenExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2219,8 +2225,8 @@ impl AstNode for CallExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ArgList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ARG_LIST }
+impl AstNode for PathExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2230,8 +2236,8 @@ impl AstNode for ArgList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MethodCallExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == METHOD_CALL_EXPR }
+impl AstNode for PrefixExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PREFIX_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2241,8 +2247,8 @@ impl AstNode for MethodCallExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TypeArgList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_ARG_LIST }
+impl AstNode for RangeExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RANGE_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2252,8 +2258,8 @@ impl AstNode for TypeArgList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for FieldExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == FIELD_EXPR }
+impl AstNode for RecordExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2263,8 +2269,8 @@ impl AstNode for FieldExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for IndexExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == INDEX_EXPR }
+impl AstNode for RefExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2274,8 +2280,8 @@ impl AstNode for IndexExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for AwaitExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == AWAIT_EXPR }
+impl AstNode for ReturnExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RETURN_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2296,8 +2302,8 @@ impl AstNode for TryExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for CastExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CAST_EXPR }
+impl AstNode for TupleExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2307,8 +2313,8 @@ impl AstNode for CastExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RefExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_EXPR }
+impl AstNode for WhileExpr {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == WHILE_EXPR }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2318,8 +2324,8 @@ impl AstNode for RefExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PrefixExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PREFIX_EXPR }
+impl AstNode for Label {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LABEL }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2329,8 +2335,8 @@ impl AstNode for PrefixExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BoxExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BOX_EXPR }
+impl AstNode for RecordExprFieldList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR_FIELD_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2340,8 +2346,8 @@ impl AstNode for BoxExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RangeExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RANGE_EXPR }
+impl AstNode for RecordExprField {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR_FIELD }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2351,8 +2357,8 @@ impl AstNode for RangeExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BinExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BIN_EXPR }
+impl AstNode for ArgList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ARG_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2362,8 +2368,8 @@ impl AstNode for BinExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MatchExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MATCH_EXPR }
+impl AstNode for Condition {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == CONDITION }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2406,8 +2412,8 @@ impl AstNode for MatchGuard {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordExpr {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR }
+impl AstNode for ArrayType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == ARRAY_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2417,8 +2423,8 @@ impl AstNode for RecordExpr {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordExprFieldList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR_FIELD_LIST }
+impl AstNode for DynTraitType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == DYN_TRAIT_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2428,8 +2434,8 @@ impl AstNode for RecordExprFieldList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordExprField {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_EXPR_FIELD }
+impl AstNode for FnPtrType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == FN_PTR_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2439,8 +2445,8 @@ impl AstNode for RecordExprField {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for OrPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == OR_PAT }
+impl AstNode for ForType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == FOR_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2450,8 +2456,8 @@ impl AstNode for OrPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ParenPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_PAT }
+impl AstNode for ImplTraitType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == IMPL_TRAIT_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2461,8 +2467,8 @@ impl AstNode for ParenPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RefPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_PAT }
+impl AstNode for InferType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == INFER_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2472,8 +2478,8 @@ impl AstNode for RefPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BoxPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BOX_PAT }
+impl AstNode for NeverType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == NEVER_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2483,8 +2489,8 @@ impl AstNode for BoxPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for BindPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == BIND_PAT }
+impl AstNode for ParenType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2494,8 +2500,8 @@ impl AstNode for BindPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PlaceholderPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PLACEHOLDER_PAT }
+impl AstNode for PtrType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PTR_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2505,8 +2511,8 @@ impl AstNode for PlaceholderPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for DotDotPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == DOT_DOT_PAT }
+impl AstNode for RefType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2516,8 +2522,8 @@ impl AstNode for DotDotPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PathPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_PAT }
+impl AstNode for SliceType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == SLICE_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2527,8 +2533,8 @@ impl AstNode for PathPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for SlicePat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == SLICE_PAT }
+impl AstNode for TupleType {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_TYPE }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2538,8 +2544,8 @@ impl AstNode for SlicePat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RangePat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RANGE_PAT }
+impl AstNode for TypeBound {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_BOUND }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2549,8 +2555,8 @@ impl AstNode for RangePat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LiteralPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL_PAT }
+impl AstNode for IdentPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == IDENT_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2560,8 +2566,8 @@ impl AstNode for LiteralPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_PAT }
+impl AstNode for BoxPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == BOX_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2571,8 +2577,8 @@ impl AstNode for MacroPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_PAT }
+impl AstNode for RestPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == REST_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2582,8 +2588,8 @@ impl AstNode for RecordPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordFieldPatList {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_PAT_LIST }
+impl AstNode for LiteralPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == LITERAL_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2593,8 +2599,8 @@ impl AstNode for RecordFieldPatList {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for RecordFieldPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_FIELD_PAT }
+impl AstNode for MacroPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2604,8 +2610,8 @@ impl AstNode for RecordFieldPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TupleStructPat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_STRUCT_PAT }
+impl AstNode for OrPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == OR_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2615,8 +2621,8 @@ impl AstNode for TupleStructPat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TuplePat {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_PAT }
+impl AstNode for ParenPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PAREN_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2626,8 +2632,8 @@ impl AstNode for TuplePat {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroDef {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_DEF }
+impl AstNode for PathPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2637,8 +2643,8 @@ impl AstNode for MacroDef {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroItems {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_ITEMS }
+impl AstNode for WildcardPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == WILDCARD_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2648,8 +2654,8 @@ impl AstNode for MacroItems {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for MacroStmts {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == MACRO_STMTS }
+impl AstNode for RangePat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RANGE_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2659,8 +2665,8 @@ impl AstNode for MacroStmts {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TypeBound {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_BOUND }
+impl AstNode for RecordPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2670,8 +2676,8 @@ impl AstNode for TypeBound {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for WherePred {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == WHERE_PRED }
+impl AstNode for RefPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == REF_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2681,8 +2687,8 @@ impl AstNode for WherePred {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ExprStmt {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == EXPR_STMT }
+impl AstNode for SlicePat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == SLICE_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2692,8 +2698,8 @@ impl AstNode for ExprStmt {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LetStmt {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LET_STMT }
+impl AstNode for TuplePat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2703,8 +2709,8 @@ impl AstNode for LetStmt {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for PathSegment {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == PATH_SEGMENT }
+impl AstNode for TupleStructPat {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == TUPLE_STRUCT_PAT }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2714,8 +2720,8 @@ impl AstNode for PathSegment {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for TypeArg {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == TYPE_ARG }
+impl AstNode for RecordPatFieldList {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_PAT_FIELD_LIST }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2725,8 +2731,8 @@ impl AstNode for TypeArg {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for LifetimeArg {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == LIFETIME_ARG }
+impl AstNode for RecordPatField {
+    fn can_cast(kind: SyntaxKind) -> bool { kind == RECORD_PAT_FIELD }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
         if Self::can_cast(syntax.kind()) {
             Some(Self { syntax })
@@ -2736,27 +2742,300 @@ impl AstNode for LifetimeArg {
     }
     fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for AssocTypeArg {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == ASSOC_TYPE_ARG }
+impl From<TypeArg> for GenericArg {
+    fn from(node: TypeArg) -> GenericArg { GenericArg::TypeArg(node) }
+}
+impl From<AssocTypeArg> for GenericArg {
+    fn from(node: AssocTypeArg) -> GenericArg { GenericArg::AssocTypeArg(node) }
+}
+impl From<LifetimeArg> for GenericArg {
+    fn from(node: LifetimeArg) -> GenericArg { GenericArg::LifetimeArg(node) }
+}
+impl From<ConstArg> for GenericArg {
+    fn from(node: ConstArg) -> GenericArg { GenericArg::ConstArg(node) }
+}
+impl AstNode for GenericArg {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            TYPE_ARG | ASSOC_TYPE_ARG | LIFETIME_ARG | CONST_ARG => true,
+            _ => false,
+        }
+    }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
+        let res = match syntax.kind() {
+            TYPE_ARG => GenericArg::TypeArg(TypeArg { syntax }),
+            ASSOC_TYPE_ARG => GenericArg::AssocTypeArg(AssocTypeArg { syntax }),
+            LIFETIME_ARG => GenericArg::LifetimeArg(LifetimeArg { syntax }),
+            CONST_ARG => GenericArg::ConstArg(ConstArg { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        match self {
+            GenericArg::TypeArg(it) => &it.syntax,
+            GenericArg::AssocTypeArg(it) => &it.syntax,
+            GenericArg::LifetimeArg(it) => &it.syntax,
+            GenericArg::ConstArg(it) => &it.syntax,
         }
     }
-    fn syntax(&self) -> &SyntaxNode { &self.syntax }
 }
-impl AstNode for ConstArg {
-    fn can_cast(kind: SyntaxKind) -> bool { kind == CONST_ARG }
+impl From<ArrayType> for Type {
+    fn from(node: ArrayType) -> Type { Type::ArrayType(node) }
+}
+impl From<DynTraitType> for Type {
+    fn from(node: DynTraitType) -> Type { Type::DynTraitType(node) }
+}
+impl From<FnPtrType> for Type {
+    fn from(node: FnPtrType) -> Type { Type::FnPtrType(node) }
+}
+impl From<ForType> for Type {
+    fn from(node: ForType) -> Type { Type::ForType(node) }
+}
+impl From<ImplTraitType> for Type {
+    fn from(node: ImplTraitType) -> Type { Type::ImplTraitType(node) }
+}
+impl From<InferType> for Type {
+    fn from(node: InferType) -> Type { Type::InferType(node) }
+}
+impl From<NeverType> for Type {
+    fn from(node: NeverType) -> Type { Type::NeverType(node) }
+}
+impl From<ParenType> for Type {
+    fn from(node: ParenType) -> Type { Type::ParenType(node) }
+}
+impl From<PathType> for Type {
+    fn from(node: PathType) -> Type { Type::PathType(node) }
+}
+impl From<PtrType> for Type {
+    fn from(node: PtrType) -> Type { Type::PtrType(node) }
+}
+impl From<RefType> for Type {
+    fn from(node: RefType) -> Type { Type::RefType(node) }
+}
+impl From<SliceType> for Type {
+    fn from(node: SliceType) -> Type { Type::SliceType(node) }
+}
+impl From<TupleType> for Type {
+    fn from(node: TupleType) -> Type { Type::TupleType(node) }
+}
+impl AstNode for Type {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            ARRAY_TYPE | DYN_TRAIT_TYPE | FN_PTR_TYPE | FOR_TYPE | IMPL_TRAIT_TYPE | INFER_TYPE
+            | NEVER_TYPE | PAREN_TYPE | PATH_TYPE | PTR_TYPE | REF_TYPE | SLICE_TYPE
+            | TUPLE_TYPE => true,
+            _ => false,
+        }
+    }
     fn cast(syntax: SyntaxNode) -> Option<Self> {
-        if Self::can_cast(syntax.kind()) {
-            Some(Self { syntax })
-        } else {
-            None
+        let res = match syntax.kind() {
+            ARRAY_TYPE => Type::ArrayType(ArrayType { syntax }),
+            DYN_TRAIT_TYPE => Type::DynTraitType(DynTraitType { syntax }),
+            FN_PTR_TYPE => Type::FnPtrType(FnPtrType { syntax }),
+            FOR_TYPE => Type::ForType(ForType { syntax }),
+            IMPL_TRAIT_TYPE => Type::ImplTraitType(ImplTraitType { syntax }),
+            INFER_TYPE => Type::InferType(InferType { syntax }),
+            NEVER_TYPE => Type::NeverType(NeverType { syntax }),
+            PAREN_TYPE => Type::ParenType(ParenType { syntax }),
+            PATH_TYPE => Type::PathType(PathType { syntax }),
+            PTR_TYPE => Type::PtrType(PtrType { syntax }),
+            REF_TYPE => Type::RefType(RefType { syntax }),
+            SLICE_TYPE => Type::SliceType(SliceType { syntax }),
+            TUPLE_TYPE => Type::TupleType(TupleType { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        match self {
+            Type::ArrayType(it) => &it.syntax,
+            Type::DynTraitType(it) => &it.syntax,
+            Type::FnPtrType(it) => &it.syntax,
+            Type::ForType(it) => &it.syntax,
+            Type::ImplTraitType(it) => &it.syntax,
+            Type::InferType(it) => &it.syntax,
+            Type::NeverType(it) => &it.syntax,
+            Type::ParenType(it) => &it.syntax,
+            Type::PathType(it) => &it.syntax,
+            Type::PtrType(it) => &it.syntax,
+            Type::RefType(it) => &it.syntax,
+            Type::SliceType(it) => &it.syntax,
+            Type::TupleType(it) => &it.syntax,
+        }
+    }
+}
+impl From<ArrayExpr> for Expr {
+    fn from(node: ArrayExpr) -> Expr { Expr::ArrayExpr(node) }
+}
+impl From<AwaitExpr> for Expr {
+    fn from(node: AwaitExpr) -> Expr { Expr::AwaitExpr(node) }
+}
+impl From<BinExpr> for Expr {
+    fn from(node: BinExpr) -> Expr { Expr::BinExpr(node) }
+}
+impl From<BlockExpr> for Expr {
+    fn from(node: BlockExpr) -> Expr { Expr::BlockExpr(node) }
+}
+impl From<BoxExpr> for Expr {
+    fn from(node: BoxExpr) -> Expr { Expr::BoxExpr(node) }
+}
+impl From<BreakExpr> for Expr {
+    fn from(node: BreakExpr) -> Expr { Expr::BreakExpr(node) }
+}
+impl From<CallExpr> for Expr {
+    fn from(node: CallExpr) -> Expr { Expr::CallExpr(node) }
+}
+impl From<CastExpr> for Expr {
+    fn from(node: CastExpr) -> Expr { Expr::CastExpr(node) }
+}
+impl From<ClosureExpr> for Expr {
+    fn from(node: ClosureExpr) -> Expr { Expr::ClosureExpr(node) }
+}
+impl From<ContinueExpr> for Expr {
+    fn from(node: ContinueExpr) -> Expr { Expr::ContinueExpr(node) }
+}
+impl From<EffectExpr> for Expr {
+    fn from(node: EffectExpr) -> Expr { Expr::EffectExpr(node) }
+}
+impl From<FieldExpr> for Expr {
+    fn from(node: FieldExpr) -> Expr { Expr::FieldExpr(node) }
+}
+impl From<ForExpr> for Expr {
+    fn from(node: ForExpr) -> Expr { Expr::ForExpr(node) }
+}
+impl From<IfExpr> for Expr {
+    fn from(node: IfExpr) -> Expr { Expr::IfExpr(node) }
+}
+impl From<IndexExpr> for Expr {
+    fn from(node: IndexExpr) -> Expr { Expr::IndexExpr(node) }
+}
+impl From<Literal> for Expr {
+    fn from(node: Literal) -> Expr { Expr::Literal(node) }
+}
+impl From<LoopExpr> for Expr {
+    fn from(node: LoopExpr) -> Expr { Expr::LoopExpr(node) }
+}
+impl From<MacroCall> for Expr {
+    fn from(node: MacroCall) -> Expr { Expr::MacroCall(node) }
+}
+impl From<MatchExpr> for Expr {
+    fn from(node: MatchExpr) -> Expr { Expr::MatchExpr(node) }
+}
+impl From<MethodCallExpr> for Expr {
+    fn from(node: MethodCallExpr) -> Expr { Expr::MethodCallExpr(node) }
+}
+impl From<ParenExpr> for Expr {
+    fn from(node: ParenExpr) -> Expr { Expr::ParenExpr(node) }
+}
+impl From<PathExpr> for Expr {
+    fn from(node: PathExpr) -> Expr { Expr::PathExpr(node) }
+}
+impl From<PrefixExpr> for Expr {
+    fn from(node: PrefixExpr) -> Expr { Expr::PrefixExpr(node) }
+}
+impl From<RangeExpr> for Expr {
+    fn from(node: RangeExpr) -> Expr { Expr::RangeExpr(node) }
+}
+impl From<RecordExpr> for Expr {
+    fn from(node: RecordExpr) -> Expr { Expr::RecordExpr(node) }
+}
+impl From<RefExpr> for Expr {
+    fn from(node: RefExpr) -> Expr { Expr::RefExpr(node) }
+}
+impl From<ReturnExpr> for Expr {
+    fn from(node: ReturnExpr) -> Expr { Expr::ReturnExpr(node) }
+}
+impl From<TryExpr> for Expr {
+    fn from(node: TryExpr) -> Expr { Expr::TryExpr(node) }
+}
+impl From<TupleExpr> for Expr {
+    fn from(node: TupleExpr) -> Expr { Expr::TupleExpr(node) }
+}
+impl From<WhileExpr> for Expr {
+    fn from(node: WhileExpr) -> Expr { Expr::WhileExpr(node) }
+}
+impl AstNode for Expr {
+    fn can_cast(kind: SyntaxKind) -> bool {
+        match kind {
+            ARRAY_EXPR | AWAIT_EXPR | BIN_EXPR | BLOCK_EXPR | BOX_EXPR | BREAK_EXPR | CALL_EXPR
+            | CAST_EXPR | CLOSURE_EXPR | CONTINUE_EXPR | EFFECT_EXPR | FIELD_EXPR | FOR_EXPR
+            | IF_EXPR | INDEX_EXPR | LITERAL | LOOP_EXPR | MACRO_CALL | MATCH_EXPR
+            | METHOD_CALL_EXPR | PAREN_EXPR | PATH_EXPR | PREFIX_EXPR | RANGE_EXPR
+            | RECORD_EXPR | REF_EXPR | RETURN_EXPR | TRY_EXPR | TUPLE_EXPR | WHILE_EXPR => true,
+            _ => false,
+        }
+    }
+    fn cast(syntax: SyntaxNode) -> Option<Self> {
+        let res = match syntax.kind() {
+            ARRAY_EXPR => Expr::ArrayExpr(ArrayExpr { syntax }),
+            AWAIT_EXPR => Expr::AwaitExpr(AwaitExpr { syntax }),
+            BIN_EXPR => Expr::BinExpr(BinExpr { syntax }),
+            BLOCK_EXPR => Expr::BlockExpr(BlockExpr { syntax }),
+            BOX_EXPR => Expr::BoxExpr(BoxExpr { syntax }),
+            BREAK_EXPR => Expr::BreakExpr(BreakExpr { syntax }),
+            CALL_EXPR => Expr::CallExpr(CallExpr { syntax }),
+            CAST_EXPR => Expr::CastExpr(CastExpr { syntax }),
+            CLOSURE_EXPR => Expr::ClosureExpr(ClosureExpr { syntax }),
+            CONTINUE_EXPR => Expr::ContinueExpr(ContinueExpr { syntax }),
+            EFFECT_EXPR => Expr::EffectExpr(EffectExpr { syntax }),
+            FIELD_EXPR => Expr::FieldExpr(FieldExpr { syntax }),
+            FOR_EXPR => Expr::ForExpr(ForExpr { syntax }),
+            IF_EXPR => Expr::IfExpr(IfExpr { syntax }),
+            INDEX_EXPR => Expr::IndexExpr(IndexExpr { syntax }),
+            LITERAL => Expr::Literal(Literal { syntax }),
+            LOOP_EXPR => Expr::LoopExpr(LoopExpr { syntax }),
+            MACRO_CALL => Expr::MacroCall(MacroCall { syntax }),
+            MATCH_EXPR => Expr::MatchExpr(MatchExpr { syntax }),
+            METHOD_CALL_EXPR => Expr::MethodCallExpr(MethodCallExpr { syntax }),
+            PAREN_EXPR => Expr::ParenExpr(ParenExpr { syntax }),
+            PATH_EXPR => Expr::PathExpr(PathExpr { syntax }),
+            PREFIX_EXPR => Expr::PrefixExpr(PrefixExpr { syntax }),
+            RANGE_EXPR => Expr::RangeExpr(RangeExpr { syntax }),
+            RECORD_EXPR => Expr::RecordExpr(RecordExpr { syntax }),
+            REF_EXPR => Expr::RefExpr(RefExpr { syntax }),
+            RETURN_EXPR => Expr::ReturnExpr(ReturnExpr { syntax }),
+            TRY_EXPR => Expr::TryExpr(TryExpr { syntax }),
+            TUPLE_EXPR => Expr::TupleExpr(TupleExpr { syntax }),
+            WHILE_EXPR => Expr::WhileExpr(WhileExpr { syntax }),
+            _ => return None,
+        };
+        Some(res)
+    }
+    fn syntax(&self) -> &SyntaxNode {
+        match self {
+            Expr::ArrayExpr(it) => &it.syntax,
+            Expr::AwaitExpr(it) => &it.syntax,
+            Expr::BinExpr(it) => &it.syntax,
+            Expr::BlockExpr(it) => &it.syntax,
+            Expr::BoxExpr(it) => &it.syntax,
+            Expr::BreakExpr(it) => &it.syntax,
+            Expr::CallExpr(it) => &it.syntax,
+            Expr::CastExpr(it) => &it.syntax,
+            Expr::ClosureExpr(it) => &it.syntax,
+            Expr::ContinueExpr(it) => &it.syntax,
+            Expr::EffectExpr(it) => &it.syntax,
+            Expr::FieldExpr(it) => &it.syntax,
+            Expr::ForExpr(it) => &it.syntax,
+            Expr::IfExpr(it) => &it.syntax,
+            Expr::IndexExpr(it) => &it.syntax,
+            Expr::Literal(it) => &it.syntax,
+            Expr::LoopExpr(it) => &it.syntax,
+            Expr::MacroCall(it) => &it.syntax,