]> git.lizzy.rs Git - rust.git/blobdiff - clippy_lints/src/functions/result_unit_err.rs
Auto merge of #8937 - Jarcho:merge_match_passes, r=llogiq
[rust.git] / clippy_lints / src / functions / result_unit_err.rs
index f71bfc690f6c6dc3f8a18acaecc170d04b014135..2e63a1f920d64b39a69ad214ecd4cb6e03ada3a2 100644 (file)
 
 use super::RESULT_UNIT_ERR;
 
-pub(super) fn check_item(cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) {
-    if let hir::ItemKind::Fn(ref sig, ref _generics, _) = item.kind {
-        let is_public = cx.access_levels.is_exported(item.hir_id());
+pub(super) fn check_item(cx: &LateContext<'_>, item: &hir::Item<'_>) {
+    if let hir::ItemKind::Fn(ref sig, _generics, _) = item.kind {
+        let is_public = cx.access_levels.is_exported(item.def_id);
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
         if is_public {
-            check_result_unit_err(cx, &sig.decl, item.span, fn_header_span);
+            check_result_unit_err(cx, sig.decl, item.span, fn_header_span);
         }
     }
 }
 
-pub(super) fn check_impl_item(cx: &LateContext<'tcx>, item: &'tcx hir::ImplItem<'_>) {
+pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &hir::ImplItem<'_>) {
     if let hir::ImplItemKind::Fn(ref sig, _) = item.kind {
-        let is_public = cx.access_levels.is_exported(item.hir_id());
+        let is_public = cx.access_levels.is_exported(item.def_id);
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
-        if is_public && trait_ref_of_method(cx, item.hir_id()).is_none() {
-            check_result_unit_err(cx, &sig.decl, item.span, fn_header_span);
+        if is_public && trait_ref_of_method(cx, item.def_id).is_none() {
+            check_result_unit_err(cx, sig.decl, item.span, fn_header_span);
         }
     }
 }
 
-pub(super) fn check_trait_item(cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) {
+pub(super) fn check_trait_item(cx: &LateContext<'_>, item: &hir::TraitItem<'_>) {
     if let hir::TraitItemKind::Fn(ref sig, _) = item.kind {
-        let is_public = cx.access_levels.is_exported(item.hir_id());
+        let is_public = cx.access_levels.is_exported(item.def_id);
         let fn_header_span = item.span.with_hi(sig.decl.output.span().hi());
         if is_public {
-            check_result_unit_err(cx, &sig.decl, item.span, fn_header_span);
+            check_result_unit_err(cx, sig.decl, item.span, fn_header_span);
         }
     }
 }
@@ -46,9 +46,9 @@ pub(super) fn check_trait_item(cx: &LateContext<'tcx>, item: &'tcx hir::TraitIte
 fn check_result_unit_err(cx: &LateContext<'_>, decl: &hir::FnDecl<'_>, item_span: Span, fn_header_span: Span) {
     if_chain! {
         if !in_external_macro(cx.sess(), item_span);
-        if let hir::FnRetTy::Return(ref ty) = decl.output;
+        if let hir::FnRetTy::Return(ty) = decl.output;
         let ty = hir_ty_to_ty(cx.tcx, ty);
-        if is_type_diagnostic_item(cx, ty, sym::result_type);
+        if is_type_diagnostic_item(cx, ty, sym::Result);
         if let ty::Adt(_, substs) = ty.kind();
         let err_ty = substs.type_at(1);
         if err_ty.is_unit();
@@ -57,9 +57,9 @@ fn check_result_unit_err(cx: &LateContext<'_>, decl: &hir::FnDecl<'_>, item_span
                 cx,
                 RESULT_UNIT_ERR,
                 fn_header_span,
-                "this returns a `Result<_, ()>",
+                "this returns a `Result<_, ()>`",
                 None,
-                "use a custom Error type instead",
+                "use a custom `Error` type instead",
             );
         }
     }