Auto merge of #34876 - frewsxcv:vec-as-mut-slice, r=alexcrichton

bors · web-flow · commit f441bca49934 · 2016-07-17T12:04:51.000-07:00
Remove unnecessary indexing and deref in `Vec::as_mut_slice`.

None
diff --git a/src/libcollections/vec.rs b/src/libcollections/vec.rs
@@ -520,7 +520,7 @@ impl<T> Vec<T> {
     #[inline]
     #[stable(feature = "vec_as_slice", since = "1.7.0")]
     pub fn as_mut_slice(&mut self) -> &mut [T] {
-        &mut self[..]
+        self
     }
 
     /// Sets the length of a vector.

Original file line number	Diff line number	Diff line change
`@@ -520,7 +520,7 @@ impl<T> Vec<T> {`
`520`	`520`	`#[inline]`
`521`	`521`	`#[stable(feature = "vec_as_slice", since = "1.7.0")]`
`522`	`522`	`pub fn as_mut_slice(&mut self) -> &mut [T] {`
`523`		`- &mut self[..]`
	`523`	`+ self`
`524`	`524`	`}`
`525`	`525`
`526`	`526`	`/// Sets the length of a vector.`