---

yaml
---
r: 49838
b: refs/heads/auto
c: c88ce30
h: refs/heads/master
v: v3

Author: brson

[refs]

@@ -14,5 +14,5 @@ refs/heads/try3: 9387340aab40a73e8424c48fd42f0c521a4875c0
 refs/tags/release-0.3.1: 495bae036dfe5ec6ceafd3312b4dca48741e845b
 refs/tags/release-0.4: e828ea2080499553b97dfe33b3f4d472b4562ad7
 refs/tags/release-0.5: 7e3bcfbf21278251ee936ad53e92e9b719702d73
-refs/heads/auto: e9a0db6abd40913f3b366a62ebf0f59adac57bb6
+refs/heads/auto: c88ce30c485b8df5f6dfa55d216c19c10cafe5dd
 refs/heads/servo: af82457af293e2a842ba6b7759b70288da276167

branches/auto/src/libcore/cell.rs

@@ -15,7 +15,6 @@ use prelude::*;
 ///
 /// Similar to a mutable option type, but friendlier.
 
-#[deriving_eq]
 pub struct Cell<T> {
     mut value: Option<T>
 }

branches/auto/src/libcore/vec.rs

@@ -2145,6 +2145,20 @@ pub mod raw {
         f(*v)
     }
 
+    /**
+     * Form a slice from a pointer and length (as a number of units,
+     * not bytes).
+     */
+    #[inline(always)]
+    pub unsafe fn mut_buf_as_slice<T,U>(p: *mut T,
+                                        len: uint,
+                                        f: &fn(v: &mut [T]) -> U) -> U {
+        let pair = (p, len * sys::nonzero_size_of::<T>());
+        let v : *(&blk/mut [T]) =
+            ::cast::reinterpret_cast(&addr_of(&pair));
+        f(*v)
+    }
+
     /**
      * Unchecked vector indexing.
      */