---

yaml
---
r: 65046
b: refs/heads/master
c: fc65626
h: refs/heads/master
v: v3

Author: thestinger

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 073225572a1c7c7dc9f7c2740514557105950807
+refs/heads/master: fc656262a905a50eff2be54a87295d2952d29106
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 18e3db7392d2d0697b7e27d6d986139960144d85
 refs/heads/try: 7b78b52e602bb3ea8174f9b2006bff3315f03ef9

trunk/src/libcore/iterator.rs

@@ -325,17 +325,13 @@ pub struct FilterMapIterator<'self, A, B, T> {
 impl<'self, A, B, T: Iterator<A>> Iterator<B> for FilterMapIterator<'self, A, B, T> {
     #[inline]
     fn next(&mut self) -> Option<B> {
-        loop {
-            match self.iter.next() {
-                None    => { return None; }
-                Some(a) => {
-                    match (self.f)(a) {
-                        Some(b) => { return Some(b); }
-                        None    => { loop; }
-                    }
-                }
+        for self.iter.advance |x| {
+            match (self.f)(x) {
+                Some(y) => return Some(y),
+                None => ()
             }
         }
+        None
     }
 }