---

yaml
---
r: 187404
b: refs/heads/try
c: 101498c
h: refs/heads/master
v: v3

Author: edwardw

[refs]

@@ -2,7 +2,7 @@
 refs/heads/master: b4c965ee803a4521d8b4575f634e036f93e408f3
 refs/heads/snap-stage1: e33de59e47c5076a89eadeb38f4934f58a3618a6
 refs/heads/snap-stage3: 3a96d6a9818fe2affc98a187fb1065120458cee9
-refs/heads/try: 3a96d6a9818fe2affc98a187fb1065120458cee9
+refs/heads/try: 101498cd880431fc44401ffa73fd8936ebe84025
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596

branches/try/src/libcollections/vec_deque.rs

@@ -24,7 +24,6 @@ use core::cmp::Ordering;
 use core::default::Default;
 use core::fmt;
 use core::iter::{self, repeat, FromIterator, IntoIterator, RandomAccessIterator};
-use core::marker;
 use core::mem;
 use core::num::{Int, UnsignedInt};
 use core::ops::{Index, IndexMut};
@@ -545,9 +544,7 @@ impl<T> VecDeque<T> {
         IterMut {
             tail: self.tail,
             head: self.head,
-            cap: self.cap,
-            ptr: *self.ptr,
-            marker: marker::PhantomData,
+            ring: unsafe { self.buffer_as_mut_slice() },
         }
     }
 
@@ -1515,17 +1512,12 @@ impl<'a, T> RandomAccessIterator for Iter<'a, T> {
     }
 }
 
-// FIXME This was implemented differently from Iter because of a problem
-//       with returning the mutable reference. I couldn't find a way to
-//       make the lifetime checker happy so, but there should be a way.
 /// `VecDeque` mutable iterator.
 #[stable(feature = "rust1", since = "1.0.0")]
 pub struct IterMut<'a, T:'a> {
-    ptr: *mut T,
+    ring: &'a mut [T],
     tail: usize,
     head: usize,
-    cap: usize,
-    marker: marker::PhantomData<&'a mut T>,
 }
 
 #[stable(feature = "rust1", since = "1.0.0")]
@@ -1538,16 +1530,17 @@ impl<'a, T> Iterator for IterMut<'a, T> {
             return None;
         }
         let tail = self.tail;
-        self.tail = wrap_index(self.tail + 1, self.cap);
+        self.tail = wrap_index(self.tail + 1, self.ring.len());
 
         unsafe {
-            Some(&mut *self.ptr.offset(tail as isize))
+            let elem = self.ring.get_unchecked_mut(tail);
+            Some(&mut *(elem as *mut _))
         }
     }
 
     #[inline]
     fn size_hint(&self) -> (usize, Option<usize>) {
-        let len = count(self.tail, self.head, self.cap);
+        let len = count(self.tail, self.head, self.ring.len());
         (len, Some(len))
     }
 }
@@ -1559,10 +1552,11 @@ impl<'a, T> DoubleEndedIterator for IterMut<'a, T> {
         if self.tail == self.head {
             return None;
         }
-        self.head = wrap_index(self.head - 1, self.cap);
+        self.head = wrap_index(self.head - 1, self.ring.len());
 
         unsafe {
-            Some(&mut *self.ptr.offset(self.head as isize))
+            let elem = self.ring.get_unchecked_mut(self.head);
+            Some(&mut *(elem as *mut _))
         }
     }
 }

branches/try/src/libstd/path.rs

@@ -108,7 +108,7 @@
 use core::prelude::*;
 
 use ascii::*;
-use borrow::{Borrow, IntoCow, ToOwned, Cow};
+use borrow::{Borrow, ToOwned, Cow};
 use cmp;
 use iter::{self, IntoIterator};
 use mem;
@@ -987,18 +987,6 @@ impl Borrow<Path> for PathBuf {
     }
 }
 
-impl IntoCow<'static, Path> for PathBuf {
-    fn into_cow(self) -> Cow<'static, Path> {
-        Cow::Owned(self)
-    }
-}
-
-impl<'a> IntoCow<'a, Path> for &'a Path {
-    fn into_cow(self) -> Cow<'a, Path> {
-        Cow::Borrowed(self)
-    }
-}
-
 impl ToOwned for Path {
     type Owned = PathBuf;
     fn to_owned(&self) -> PathBuf { self.to_path_buf() }
@@ -1423,26 +1411,6 @@ mod tests {
         );
     );
 
-    #[test]
-    fn into_cow() {
-        use borrow::{Cow, IntoCow};
-
-        let static_path = Path::new("/home/foo");
-        let static_cow_path: Cow<'static, Path> = static_path.into_cow();
-        let pathbuf = PathBuf::new("/home/foo");
-
-        {
-            let path: &Path = &pathbuf;
-            let borrowed_cow_path: Cow<Path> = path.into_cow();
-
-            assert_eq!(static_cow_path, borrowed_cow_path);
-        }
-
-        let owned_cow_path: Cow<'static, Path> = pathbuf.into_cow();
-
-        assert_eq!(static_cow_path, owned_cow_path);
-    }
-
     #[test]
     #[cfg(unix)]
     pub fn test_decompositions_unix() {

branches/try/src/libsyntax/feature_gate.rs

@@ -187,7 +187,6 @@ pub static KNOWN_ATTRIBUTES: &'static [(&'static str, AttributeType)] = &[
     ("no_link", Normal),
     ("derive", Normal),
     ("should_fail", Normal),
-    ("should_panic", Normal),
     ("ignore", Normal),
     ("no_implicit_prelude", Normal),
     ("reexport_test_harness_main", Normal),