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Auto merge of #14027 - frewsxcv:htmlcollection-iter-refactor, r=emilio

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Remove unnecessary `Box` around `HTMLCollectionElementsIter::node_iter`.

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This commit is contained in:
bors-servo 2016-11-03 16:05:14 -05:00 • committed by GitHub
commit 74a3ea9135
2 changed files with 26 additions and 23 deletions
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27
components/script/dom/node.rs
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@ -853,22 +853,23 @@ impl Node {
let tr = new_child();
let after_node = if index == -1 {
None
} else {
match get_items().elements_iter()
.map(Root::upcast::<Node>)
.map(Some)
.chain(iter::once(None))
.nth(index as usize) {
None => return Err(Error::IndexSize),
Some(node) => node,
}
};
{
let tr_node = tr.upcast::<Node>();
try!(self.InsertBefore(tr_node, after_node.r()));
if index == -1 {
try!(self.InsertBefore(tr_node, None));
} else {
let items = get_items();
let node = match items.elements_iter()
.map(Root::upcast::<Node>)
.map(Some)
.chain(iter::once(None))
.nth(index as usize) {
None => return Err(Error::IndexSize),
Some(node) => node,
};
try!(self.InsertBefore(tr_node, node.r()));
}
}
Ok(Root::upcast::<HTMLElement>(tr))