Rollup merge of rust-lang#76403 - scileo:doc-all-impls, r=lcnr

Dylan-DPC · web-flow · commit 910c87cef937 · 2020-09-08T00:40:02.000+02:00
Fix documentation for TyCtxt::all_impls

`TyCtxt::all_impls` documentation was wrong about the return type.
diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs
@@ -167,7 +167,7 @@ impl<'tcx> TyCtxt<'tcx> {
         }
     }
 
-    /// Returns a vector containing all impls
+    /// Returns an iterator containing all impls
     pub fn all_impls(self, def_id: DefId) -> impl Iterator<Item = DefId> + 'tcx {
         let TraitImpls { blanket_impls, non_blanket_impls } = self.trait_impls_of(def_id);
 

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ impl<'tcx> TyCtxt<'tcx> {`
`167`	`167`	`}`
`168`	`168`	`}`
`169`	`169`
`170`		`- /// Returns a vector containing all impls`
	`170`	`+ /// Returns an iterator containing all impls`
`171`	`171`	`pub fn all_impls(self, def_id: DefId) -> impl Iterator<Item = DefId> + 'tcx {`
`172`	`172`	`let TraitImpls { blanket_impls, non_blanket_impls } = self.trait_impls_of(def_id);`
`173`	`173`