1 files changed, 5 insertions, 1 deletions
diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index 8931b408826..816dc6d2255 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -20,7 +20,7 @@ use option::{None, Option, Some};
 use vec;
 
 /// A function used to initialize the elements of a sequence
-pub type InitOp<T> = &self/fn(uint) -> T;
+pub type InitOp<T> = &'self fn(uint) -> T;
 
 pub trait BaseIter<A> {
     pure fn each(&self, blk: &fn(v: &A) -> bool);
@@ -31,6 +31,10 @@ pub trait ReverseIter<A>: BaseIter<A> {
     pure fn each_reverse(&self, blk: &fn(&A) -> bool);
 }
 
+pub trait MutableIter<A>: BaseIter<A> {
+    fn each_mut(&mut self, blk: &fn(&mut A) -> bool);
+}
+
 pub trait ExtendedIter<A> {
     pure fn eachi(&self, blk: &fn(uint, v: &A) -> bool);
     pure fn all(&self, blk: &fn(&A) -> bool) -> bool;