pub struct TreeMapMoveIterator<K, V> {
priv stack: ~[TreeNode<K, V>],
priv remaining: uint,
}Lazy forward iterator over a map that consumes the map while iterating
impl<K, V> std::iter::Iterator for TreeMapMoveIterator<K, V>fn next(&mut self) -> std::option::Optionfn size_hint(&self) -> (uint, std::option::Option)
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