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Cleanup PageIterator::next.

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This commit is contained in:
Ms2ger 2014-12-10 16:19:46 +01:00
parent adc493ccce
commit 8fe798d439
1 changed files with 8 additions and 8 deletions
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16
components/script/page.rs
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@ -270,14 +270,14 @@ impl Page {
impl Iterator<Rc<Page>> for PageIterator {
fn next(&mut self) -> Option<Rc<Page>> {
if !self.stack.is_empty() {
let next = self.stack.pop().unwrap();
for child in next.children.borrow().iter() {
self.stack.push(child.clone());
}
Some(next.clone())
} else {
None
match self.stack.pop() {
Some(next) => {
for child in next.children.borrow().iter() {
self.stack.push(child.clone());
}
Some(next)
},
None => None,
}
}
}