impl<T> Extend<T> for ()

ibraheemdev · web-flow · commit 2b42625e5b77 · 2022-02-19T14:05:11.000-05:00
diff --git a/library/core/src/iter/traits/collect.rs b/library/core/src/iter/traits/collect.rs
@@ -374,11 +374,11 @@ pub trait Extend<A> {
 }
 
 #[stable(feature = "extend_for_unit", since = "1.28.0")]
-impl Extend<()> for () {
-    fn extend<T: IntoIterator<Item = ()>>(&mut self, iter: T) {
+impl<T> Extend<T> for () {
+    fn extend<A: IntoIterator<Item = T>>(&mut self, iter: A) {
         iter.into_iter().for_each(drop)
     }
-    fn extend_one(&mut self, _item: ()) {}
+    fn extend_one(&mut self, _item: T) {}
 }
 
 #[stable(feature = "extend_for_tuple", since = "1.56.0")]

Original file line number	Diff line number	Diff line change
`@@ -374,11 +374,11 @@ pub trait Extend<A> {`
`374`	`374`	`}`
`375`	`375`
`376`	`376`	`#[stable(feature = "extend_for_unit", since = "1.28.0")]`
`377`		`-impl Extend<()> for () {`
`378`		`- fn extend<T: IntoIterator<Item = ()>>(&mut self, iter: T) {`
	`377`	`+impl<T> Extend<T> for () {`
	`378`	`+ fn extend<A: IntoIterator<Item = T>>(&mut self, iter: A) {`
`379`	`379`	`iter.into_iter().for_each(drop)`
`380`	`380`	`}`
`381`		`- fn extend_one(&mut self, _item: ()) {}`
	`381`	`+ fn extend_one(&mut self, _item: T) {}`
`382`	`382`	`}`
`383`	`383`
`384`	`384`	`#[stable(feature = "extend_for_tuple", since = "1.56.0")]`