use lifetime elision for consistency

F001 · F001 · commit 4d99957ce30b · 2018-07-17T11:34:19.000+08:00
diff --git a/src/libcore/cell.rs b/src/libcore/cell.rs
@@ -515,7 +515,7 @@ impl<T: ?Sized> Cell<T> {
     /// ```
     #[inline]
     #[unstable(feature = "as_cell", issue="43038")]
-    pub fn from_mut<'a>(t: &'a mut T) -> &'a Cell<T> {
+    pub fn from_mut(t: &mut T) -> &Cell<T> {
         unsafe {
             &*(t as *mut T as *const Cell<T>)
         }

Original file line number	Diff line number	Diff line change
`@@ -515,7 +515,7 @@ impl<T: ?Sized> Cell<T> {`
`515`	`515`	/// ```
`516`	`516`	`#[inline]`
`517`	`517`	`#[unstable(feature = "as_cell", issue="43038")]`
`518`		`- pub fn from_mut<'a>(t: &'a mut T) -> &'a Cell<T> {`
	`518`	`+ pub fn from_mut(t: &mut T) -> &Cell<T> {`
`519`	`519`	`unsafe {`
`520`	`520`	`&(t as mut T as *const Cell<T>)`
`521`	`521`	`}`