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Cleanup PageIterator::next

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This commit is contained in:
Corey Farwell 2015-11-12 00:24:19 -05:00
parent 1b20bc90ee
commit bfc4ed4cac
1 changed files with 4 additions and 8 deletions
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12
components/script/page.rs
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@ -100,15 +100,11 @@ impl Iterator for PageIterator {
type Item = Rc<Page>; type Item = Rc<Page>;
fn next(&mut self) -> Option<Rc<Page>> { fn next(&mut self) -> Option<Rc<Page>> {
match self.stack.pop() { let popped = self.stack.pop();
Some(next) => { if let Some(ref page) = popped {
for child in &*next.children.borrow() { self.stack.extend(page.children.borrow().iter().cloned());
self.stack.push(child.clone());
}
Some(next)
},
None => None,
} }
popped
} }
} }