Remove extra mut

czipperz · czipperz · commit 7adff53861f5 · 2019-07-25T23:41:14.000-07:00
diff --git a/src/libcore/iter/traits/iterator.rs b/src/libcore/iter/traits/iterator.rs
@@ -2717,7 +2717,7 @@ impl<I: Iterator + Sized> Iterator for &mut I {
     fn nth(&mut self, n: usize) -> Option<Self::Item> {
         (**self).nth(n)
     }
-    fn try_fold<B, F, R>(&mut self, init: B, mut f: F) -> R where
+    fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where
         F: FnMut(B, Self::Item) -> R, R: Try<Ok=B>
     {
         (**self).try_fold(init, f)

Original file line number	Diff line number	Diff line change
`@@ -2717,7 +2717,7 @@ impl<I: Iterator + Sized> Iterator for &mut I {`
`2717`	`2717`	`fn nth(&mut self, n: usize) -> Option<Self::Item> {`
`2718`	`2718`	`(**self).nth(n)`
`2719`	`2719`	`}`
`2720`		`- fn try_fold<B, F, R>(&mut self, init: B, mut f: F) -> R where`
	`2720`	`+ fn try_fold<B, F, R>(&mut self, init: B, f: F) -> R where`
`2721`	`2721`	`F: FnMut(B, Self::Item) -> R, R: Try<Ok=B>`
`2722`	`2722`	`{`
`2723`	`2723`	`(**self).try_fold(init, f)`