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Avoid an excessive use of iterator chain

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This commit is contained in:
Seo Sanghyeon 2015-02-02 18:33:24 +09:00
parent ca4b9674c2
commit 6a1a46e8d7
1 changed files with 15 additions and 15 deletions
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30
src/librustdoc/clean/mod.rs
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@ -355,21 +355,21 @@ impl Clean<Item> for doctree::Module {
} else {
"".to_string()
};
let items: Vec<Item> =
self.extern_crates.iter().map(|x| x.clean(cx))
.chain(self.imports.iter().flat_map(|x| x.clean(cx).into_iter()))
.chain(self.structs.iter().map(|x| x.clean(cx)))
.chain(self.enums.iter().map(|x| x.clean(cx)))
.chain(self.fns.iter().map(|x| x.clean(cx)))
.chain(self.foreigns.iter().flat_map(|x| x.clean(cx).into_iter()))
.chain(self.mods.iter().map(|x| x.clean(cx)))
.chain(self.typedefs.iter().map(|x| x.clean(cx)))
.chain(self.statics.iter().map(|x| x.clean(cx)))
.chain(self.constants.iter().map(|x| x.clean(cx)))
.chain(self.traits.iter().map(|x| x.clean(cx)))
.chain(self.impls.iter().map(|x| x.clean(cx)))
.chain(self.macros.iter().map(|x| x.clean(cx)))
.collect();
let mut items: Vec<Item> = vec![];
items.extend(self.extern_crates.iter().map(|x| x.clean(cx)));
items.extend(self.imports.iter().flat_map(|x| x.clean(cx).into_iter()));
items.extend(self.structs.iter().map(|x| x.clean(cx)));
items.extend(self.enums.iter().map(|x| x.clean(cx)));
items.extend(self.fns.iter().map(|x| x.clean(cx)));
items.extend(self.foreigns.iter().flat_map(|x| x.clean(cx).into_iter()));
items.extend(self.mods.iter().map(|x| x.clean(cx)));
items.extend(self.typedefs.iter().map(|x| x.clean(cx)));
items.extend(self.statics.iter().map(|x| x.clean(cx)));
items.extend(self.constants.iter().map(|x| x.clean(cx)));
items.extend(self.traits.iter().map(|x| x.clean(cx)));
items.extend(self.impls.iter().map(|x| x.clean(cx)));
items.extend(self.macros.iter().map(|x| x.clean(cx)));
// determine if we should display the inner contents or
// the outer `mod` item for the source code.