Use Arena inside hir::ImplItem.

[rust.git] / src / librustc_typeck / check_unused.rs

diff --git a/src/librustc_typeck/check_unused.rs b/src/librustc_typeck/check_unused.rs
index ffc66ec16de139ed68602ea89f1d63bc7fd6fd9e..7377c4df9790730e44a614efac123e81ecb2a202 100644 (file)
--- a/src/librustc_typeck/check_unused.rs
+++ b/src/librustc_typeck/check_unused.rs
@@ -29,19 +29,19 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
 }
 
 impl ItemLikeVisitor<'v> for CheckVisitor<'tcx> {
-    fn visit_item(&mut self, item: &hir::Item) {
+    fn visit_item(&mut self, item: &hir::Item<'_>) {
         if item.vis.node.is_pub() || item.span.is_dummy() {
             return;
         }
-        if let hir::ItemKind::Use(ref path, _) = item.node {
+        if let hir::ItemKind::Use(ref path, _) = item.kind {
             self.check_import(item.hir_id, path.span);
         }
     }
 
-    fn visit_trait_item(&mut self, _trait_item: &hir::TraitItem) {
+    fn visit_trait_item(&mut self, _trait_item: &hir::TraitItem<'_>) {
     }
 
-    fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem) {
+    fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem<'_>) {
     }
 }
 
@@ -217,8 +217,8 @@ struct ExternCrateToLint {
 }
 
 impl<'a, 'tcx, 'v> ItemLikeVisitor<'v> for CollectExternCrateVisitor<'a, 'tcx> {
-    fn visit_item(&mut self, item: &hir::Item) {
-        if let hir::ItemKind::ExternCrate(orig_name) = item.node {
+    fn visit_item(&mut self, item: &hir::Item<'_>) {
+        if let hir::ItemKind::ExternCrate(orig_name) = item.kind {
             let extern_crate_def_id = self.tcx.hir().local_def_id(item.hir_id);
             self.crates_to_lint.push(
                 ExternCrateToLint {
@@ -231,9 +231,9 @@ fn visit_item(&mut self, item: &hir::Item) {
         }
     }
 
-    fn visit_trait_item(&mut self, _trait_item: &hir::TraitItem) {
+    fn visit_trait_item(&mut self, _trait_item: &hir::TraitItem<'_>) {
     }
 
-    fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem) {
+    fn visit_impl_item(&mut self, _impl_item: &hir::ImplItem<'_>) {
     }
 }