3 files changed, 26 insertions, 0 deletions
diff --git a/src/libstd/hashmap.rs b/src/libstd/hashmap.rs
index 182ee37202a..56774560d1d 100644
--- a/src/libstd/hashmap.rs
+++ b/src/libstd/hashmap.rs
@@ -548,6 +548,7 @@ impl<K:Hash + Eq + Clone,V:Clone> Clone for HashMap<K,V> {
 }
 
 /// HashMap iterator
+#[deriving(Clone)]
 pub struct HashMapIterator<'self, K, V> {
     priv iter: vec::VecIterator<'self, Option<Bucket<K, V>>>,
 }
@@ -563,6 +564,7 @@ pub struct HashMapConsumeIterator<K, V> {
 }
 
 /// HashSet iterator
+#[deriving(Clone)]
 pub struct HashSetIterator<'self, K> {
     priv iter: vec::VecIterator<'self, Option<Bucket<K, ()>>>,
 }
diff --git a/src/libstd/str.rs b/src/libstd/str.rs
index 0811dab407e..c74c1e18e6d 100644
--- a/src/libstd/str.rs
+++ b/src/libstd/str.rs
@@ -288,6 +288,7 @@ impl<'self, C: CharEq> CharEq for &'self [C] {
 
 
 /// An iterator over the substrings of a string, separated by `sep`.
+#[deriving(Clone)]
 pub struct StrCharSplitIterator<'self,Sep> {
     priv string: &'self str,
     priv position: uint,
@@ -355,6 +356,7 @@ impl<'self, Sep: CharEq> Iterator<&'self str> for StrCharSplitIterator<'self, Se
 
 /// An iterator over the start and end indicies of the matches of a
 /// substring within a larger string
+#[deriving(Clone)]
 pub struct StrMatchesIndexIterator<'self> {
     priv haystack: &'self str,
     priv needle: &'self str,
@@ -363,6 +365,7 @@ pub struct StrMatchesIndexIterator<'self> {
 
 /// An iterator over the substrings of a string separated by a given
 /// search string
+#[deriving(Clone)]
 pub struct StrStrSplitIterator<'self> {
     priv it: StrMatchesIndexIterator<'self>,
     priv last_end: uint,
@@ -2269,6 +2272,7 @@ impl Clone for @str {
 
 /// External iterator for a string's characters. Use with the `std::iterator`
 /// module.
+#[deriving(Clone)]
 pub struct StrCharIterator<'self> {
     priv index: uint,
     priv string: &'self str,
@@ -2288,6 +2292,7 @@ impl<'self> Iterator<char> for StrCharIterator<'self> {
 }
 /// External iterator for a string's characters in reverse order. Use
 /// with the `std::iterator` module.
+#[deriving(Clone)]
 pub struct StrCharRevIterator<'self> {
     priv index: uint,
     priv string: &'self str,
@@ -2308,6 +2313,7 @@ impl<'self> Iterator<char> for StrCharRevIterator<'self> {
 
 /// External iterator for a string's bytes. Use with the `std::iterator`
 /// module.
+#[deriving(Clone)]
 pub struct StrBytesIterator<'self> {
     priv it: vec::VecIterator<'self, u8>
 }
@@ -2321,6 +2327,7 @@ impl<'self> Iterator<u8> for StrBytesIterator<'self> {
 
 /// External iterator for a string's bytes in reverse order. Use with
 /// the `std::iterator` module.
+#[deriving(Clone)]
 pub struct StrBytesRevIterator<'self> {
     priv it: vec::VecRevIterator<'self, u8>
 }
diff --git a/src/libstd/vec.rs b/src/libstd/vec.rs
index 03e94a902c1..877ee65b4d6 100644
--- a/src/libstd/vec.rs
+++ b/src/libstd/vec.rs
@@ -2232,6 +2232,10 @@ iterator!{impl VecIterator -> &'self T}
 double_ended_iterator!{impl VecIterator -> &'self T}
 pub type VecRevIterator<'self, T> = InvertIterator<&'self T, VecIterator<'self, T>>;
 
+impl<'self, T> Clone for VecIterator<'self, T> {
+    fn clone(&self) -> VecIterator<'self, T> { *self }
+}
+
 //iterator!{struct VecMutIterator -> *mut T, &'self mut T}
 /// An iterator for mutating the elements of a vector.
 pub struct VecMutIterator<'self, T> {
@@ -2244,6 +2248,7 @@ double_ended_iterator!{impl VecMutIterator -> &'self mut T}
 pub type VecMutRevIterator<'self, T> = InvertIterator<&'self mut T, VecMutIterator<'self, T>>;
 
 /// An iterator that moves out of a vector.
+#[deriving(Clone)]
 pub struct VecConsumeIterator<T> {
     priv v: ~[T],
     priv idx: uint,
@@ -2270,6 +2275,7 @@ impl<T> Iterator<T> for VecConsumeIterator<T> {
 }
 
 /// An iterator that moves out of a vector in reverse order.
+#[deriving(Clone)]
 pub struct VecConsumeRevIterator<T> {
     priv v: ~[T]
 }
@@ -3186,6 +3192,17 @@ mod tests {
     }
 
     #[test]
+    fn test_iter_clone() {
+        let xs = [1, 2, 5];
+        let mut it = xs.iter();
+        it.next();
+        let mut jt = it.clone();
+        assert_eq!(it.next(), jt.next());
+        assert_eq!(it.next(), jt.next());
+        assert_eq!(it.next(), jt.next());
+    }
+
+    #[test]
     fn test_mut_iterator() {
         use iterator::*;
         let mut xs = [1, 2, 3, 4, 5];