ast: Fix naming conventions in AST structures

TraitKind -> Trait
TyAliasKind -> TyAlias
ImplKind -> Impl
FnKind -> Fn

All `*Kind`s in AST are supposed to be enums.

Tuple structs are converted to braced structs for the types above, and fields are reordered in syntactic order.

Also, mutable AST visitor now correctly visit spans in defaultness, unsafety, impl polarity and constness.

1 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs
index cffb087af18..94650237873 100644
--- a/compiler/rustc_interface/src/util.rs
+++ b/compiler/rustc_interface/src/util.rs
@@ -776,7 +776,7 @@ impl<'a> MutVisitor for ReplaceBodyWithLoop<'a, '_> {
     fn visit_item_kind(&mut self, i: &mut ast::ItemKind) {
         let is_const = match i {
             ast::ItemKind::Static(..) | ast::ItemKind::Const(..) => true,
-            ast::ItemKind::Fn(box ast::FnKind(_, ref sig, _, _)) => Self::is_sig_const(sig),
+            ast::ItemKind::Fn(box ast::Fn { ref sig, .. }) => Self::is_sig_const(sig),
             _ => false,
         };
         self.run(is_const, |s| noop_visit_item_kind(i, s))
@@ -785,7 +785,7 @@ impl<'a> MutVisitor for ReplaceBodyWithLoop<'a, '_> {
     fn flat_map_trait_item(&mut self, i: P<ast::AssocItem>) -> SmallVec<[P<ast::AssocItem>; 1]> {
         let is_const = match i.kind {
             ast::AssocItemKind::Const(..) => true,
-            ast::AssocItemKind::Fn(box ast::FnKind(_, ref sig, _, _)) => Self::is_sig_const(sig),
+            ast::AssocItemKind::Fn(box ast::Fn { ref sig, .. }) => Self::is_sig_const(sig),
             _ => false,
         };
         self.run(is_const, |s| noop_flat_map_assoc_item(i, s))