---

yaml
---
r: 147387
b: refs/heads/try2
c: 2c539d4
h: refs/heads/master
i:
  147385: c018003
  147383: 4027713
v: v3

Author: Palmer Cox

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: efd619467df28b48b97250b2857b18a032b5dab6
+refs/heads/try2: 2c539d4eecec3c63f878a3798e0ea4df79b46f19
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/libstd/vec.rs

@@ -2528,13 +2528,13 @@ impl<'a, T> Iterator<&'a mut [T]> for MutSplitIterator<'a, T> {
 
     #[inline]
     fn size_hint(&self) -> (uint, Option<uint>) {
-        if self.finished { return (0, Some(0)) }
-
-        // if the predicate doesn't match anything, we yield one slice
-        // if it matches every element, we yield len+1 empty slices.
-        // FIXME #9629
-        //(1, Some(self.v.len() + 1))
-        (1, None)
+        if self.finished {
+            (0, Some(0))
+        } else {
+            // if the predicate doesn't match anything, we yield one slice
+            // if it matches every element, we yield len+1 empty slices.
+            (1, Some(self.v.len() + 1))
+        }
     }
 }
 
@@ -2547,10 +2547,7 @@ impl<'a, T> DoubleEndedIterator<&'a mut [T]> for MutSplitIterator<'a, T> {
             None => {
                 self.finished = true;
                 let tmp = util::replace(&mut self.v, &mut []);
-                let len = tmp.len();
-                let (head, tail) = tmp.mut_split_at(len);
-                self.v = tail;
-                Some(head)
+                Some(tmp)
             }
             Some(idx) => {
                 let tmp = util::replace(&mut self.v, &mut []);