Peekable::peek(): Use Option::as_ref()

2016-11-03 22:22:27 +01:00 · 2016-11-03 22:22:27 +01:00 · ed0230ee56
commit ed0230ee56
parent ac919fcd9d
1 changed files with 1 additions and 4 deletions
--- a/src/libcore/iter/mod.rs
+++ b/src/libcore/iter/mod.rs
@ -1341,10 +1341,7 @@ impl<I: Iterator> Peekable<I> {
        if self.peeked.is_none() {
            self.peeked = self.iter.next();
        }
-        match self.peeked {
-            Some(ref value) => Some(value),
-            None => None,
-        }
+        self.peeked.as_ref()
    }
 }