---

yaml
---
r: 3964
b: refs/heads/master
c: f010f79
h: refs/heads/master
v: v3

Author: brson

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 8c4f1652ec4dc42d6012d01d7cd31a2181eff965
+refs/heads/master: f010f79a6164beab6a3cf920d325b2fb854e1b49

trunk/src/lib/ivec.rs

@@ -72,6 +72,22 @@ fn init_elt_mut[T](&T t, uint n_elts) -> T[mutable] {
     ret v;
 }
 
+fn to_mut[T](&T[] v) -> T[mutable] {
+    auto vres = ~[mutable];
+    for (T t in v) {
+        vres += ~[mutable t];
+    }
+    ret vres;
+}
+
+fn from_mut[T](&T[mutable] v) -> T[] {
+    auto vres = ~[];
+    for (T t in v) {
+        vres += ~[t];
+    }
+    ret vres;
+}
+
 // Predicates
 pred is_empty[T](&T[mutable?] v) -> bool {
     // FIXME: This would be easier if we could just call len