X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibrustc_typeck%2Fcheck_unused.rs;h=ffc66ec16de139ed68602ea89f1d63bc7fd6fd9e;hb=327c54ed02e412013e8ffabc61c71f10c2777fe1;hp=7e781eeec56a98b3a8a0d887fc632e0948f12755;hpb=7ddfae74b1e22b4de71f0fe839577b985c545a64;p=rust.git

diff --git a/src/librustc_typeck/check_unused.rs b/src/librustc_typeck/check_unused.rs
index 7e781eeec56..ffc66ec16de 100644
--- a/src/librustc_typeck/check_unused.rs
+++ b/src/librustc_typeck/check_unused.rs
@@ -13,7 +13,7 @@
 
 use rustc_data_structures::fx::FxHashMap;
 
-pub fn check_crate<'tcx>(tcx: TyCtxt<'tcx>) {
+pub fn check_crate(tcx: TyCtxt<'_>) {
     let mut used_trait_imports = DefIdSet::default();
     for &body_id in tcx.hir().krate().bodies.keys() {
         let item_def_id = tcx.hir().body_owner_def_id(body_id);
@@ -52,7 +52,7 @@ struct CheckVisitor<'tcx> {
 
 impl CheckVisitor<'tcx> {
     fn check_import(&self, id: hir::HirId, span: Span) {
-        let def_id = self.tcx.hir().local_def_id_from_hir_id(id);
+        let def_id = self.tcx.hir().local_def_id(id);
         if !self.tcx.maybe_unused_trait_import(def_id) {
             return;
         }
@@ -70,7 +70,7 @@ fn check_import(&self, id: hir::HirId, span: Span) {
     }
 }
 
-fn unused_crates_lint<'tcx>(tcx: TyCtxt<'tcx>) {
+fn unused_crates_lint(tcx: TyCtxt<'_>) {
     let lint = lint::builtin::UNUSED_EXTERN_CRATES;
 
     // Collect first the crates that are completely unused.  These we
@@ -219,7 +219,7 @@ 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 {
-            let extern_crate_def_id = self.tcx.hir().local_def_id_from_hir_id(item.hir_id);
+            let extern_crate_def_id = self.tcx.hir().local_def_id(item.hir_id);
             self.crates_to_lint.push(
                 ExternCrateToLint {
                     def_id: extern_crate_def_id,