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Added DoubleEndedIterator for MutFlowListIterator

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ddh 2016-06-17 14:54:01 +01:00
parent 0c9d0eb685
commit 5c7943217b
1 changed files with 6 additions and 0 deletions
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6
components/layout/flow_list.rs
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@ -117,6 +117,12 @@ impl<'a> DoubleEndedIterator for FlowListIterator<'a> {
}
}
impl<'a> DoubleEndedIterator for MutFlowListIterator<'a> {
fn next_back(&mut self) -> Option<&'a mut Flow> {
self.it.next_back().map(flow_ref::deref_mut)
}
}
impl<'a> Iterator for MutFlowListIterator<'a> {
type Item = &'a mut Flow;
#[inline]