change a cloning map to into_iter

ljedrz · ljedrz · commit a14a950c44ec · 2018-10-14T17:20:45.000+02:00
diff --git a/src/librustc/ty/util.rs b/src/librustc/ty/util.rs
@@ -681,7 +681,7 @@ impl<'a, 'tcx> ty::TyS<'tcx> {
                 match (r1, r2) {
                     (Representability::SelfRecursive(v1),
                      Representability::SelfRecursive(v2)) => {
-                        Representability::SelfRecursive(v1.iter().map(|s| *s).chain(v2).collect())
+                        Representability::SelfRecursive(v1.into_iter().chain(v2).collect())
                     }
                     (r1, r2) => cmp::max(r1, r2)
                 }

Original file line number	Diff line number	Diff line change
`@@ -681,7 +681,7 @@ impl<'a, 'tcx> ty::TyS<'tcx> {`
`681`	`681`	`match (r1, r2) {`
`682`	`682`	`(Representability::SelfRecursive(v1),`
`683`	`683`	`Representability::SelfRecursive(v2)) => {`
`684`		`- Representability::SelfRecursive(v1.iter().map(\|s\| *s).chain(v2).collect())`
	`684`	`+ Representability::SelfRecursive(v1.into_iter().chain(v2).collect())`
`685`	`685`	`}`
`686`	`686`	`(r1, r2) => cmp::max(r1, r2)`
`687`	`687`	`}`