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

"body": null,

Rollup merge of #22674 - untitaker:issue22243, r=alexcrichton
"body": null,
07b6b749 · Manish Goregaokar · 8c1606b2 · a4991484 · 07b6b749
隐藏空白更改
内联并排

Showing with 1 addition and 1 deletion

src/librustc/util/common.rs src/librustc/util/common.rs +1 -1

未找到文件。
--- 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 => {