---

yaml
---
r: 59112
b: refs/heads/incoming
c: 943b9d5
h: refs/heads/master
v: v3

Author: recrack

[refs]

@@ -6,7 +6,7 @@ refs/heads/try: c50a9d5b664478e533ba1d1d353213d70c8ad589
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
 refs/heads/try2: 147ecfdd8221e4a4d4e090486829a06da1e0ca3c
-refs/heads/incoming: 8291e36f184b2a72eaae8fa745759a09c17c8db8
+refs/heads/incoming: 943b9d5dd9edacded3c763f399b4ea13fb2437bd
 refs/heads/dist-snap: 00dbbd01c2aee72982b3e0f9511ae1d4428c3ba9
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/incoming/src/libcore/vec.rs

@@ -1681,8 +1681,8 @@ pub fn eachi_reverse<'r,T>(v: &'r [T],
  */
 #[inline]
 pub fn _each2<U, T>(v1: &[U], v2: &[T], f: &fn(u: &U, t: &T) -> bool) -> bool {
-    assert!(len(v1) == len(v2));
-    for uint::range(0u, len(v1)) |i| {
+    assert!(v1.len() == v2.len());
+    for uint::range(0u, v1.len()) |i| {
         if !f(&v1[i], &v2[i]) {
             return false;
         }
@@ -1699,6 +1699,35 @@ pub fn each2<U, T>(v1: &[U], v2: &[T], f: &fn(u: &U, t: &T) -> bool) -> bool {
     _each2(v1, v2, f)
 }
 
+/**
+ *
+ * Iterates over two vector with mutable.
+ *
+ * # Failure
+ *
+ * Both vectors must have the same length
+ */
+#[inline]
+pub fn _each2_mut<U, T>(v1: &mut [U], v2: &mut [T], f: &fn(u: &mut U, t: &mut T) -> bool) -> bool {
+    assert!(v1.len() == v2.len());
+    for uint::range(0u, v1.len()) |i| {
+        if !f(&mut v1[i], &mut v2[i]) {
+            return false;
+        }
+    }
+    return true;
+}
+
+#[cfg(stage0)]
+pub fn each2_mut<U, T>(v1: &mut [U], v2: &mut [T], f: &fn(u: &mut U, t: &mut T) -> bool) {
+    _each2_mut(v1, v2, f);
+}
+
+#[cfg(not(stage0))]
+pub fn each2_mut<U, T>(v1: &mut [U], v2: &mut [T], f: &fn(u: &mut U, t: &mut T) -> bool) -> bool {
+    _each2_mut(v1, v2, f)
+}
+
 /**
  * Iterate over all permutations of vector `v`.
  *