Rollup merge of rust-lang#22674 - untitaker:issue22243, r=alexcrichton

bombless · bombless · commit b8cfe5767893 · 2015-02-23T17:11:30.000+08:00
None
diff --git a/src/librustc/util/common.rs b/src/librustc/util/common.rs
@@ -212,7 +212,7 @@ pub fn memoized<T, U, S, F>(cache: &RefCell<HashMap<T, U, S>>, arg: T, f: F) ->
           F: FnOnce(T) -> U,
 {
     let key = arg.clone();
-    let result = cache.borrow().get(&key).map(|result| result.clone());
+    let result = cache.borrow().get(&key).cloned();
     match result {
         Some(result) => result,
         None => {

Original file line number	Diff line number	Diff line change
`@@ -212,7 +212,7 @@ pub fn memoized<T, U, S, F>(cache: &RefCell<HashMap<T, U, S>>, arg: T, f: F) ->`
`212`	`212`	`F: FnOnce(T) -> U,`
`213`	`213`	`{`
`214`	`214`	`let key = arg.clone();`
`215`		`- let result = cache.borrow().get(&key).map(\|result\| result.clone());`
	`215`	`+ let result = cache.borrow().get(&key).cloned();`
`216`	`216`	`match result {`
`217`	`217`	`Some(result) => result,`
`218`	`218`	`None => {`