diff options
| author | Seo Sanghyeon <sanxiyn@gmail.com> | 2015-02-02 18:33:24 +0900 |
|---|---|---|
| committer | Seo Sanghyeon <sanxiyn@gmail.com> | 2015-02-02 18:33:24 +0900 |
| commit | 6a1a46e8d721fef8f31402e39c401646b1c35d6f (patch) | |
| tree | 4d589bae9329e63a5c4da0d6ca8b245d609e7b58 /src | |
| parent | ca4b9674c26c1de07a2042cb68e6a062d7184cef (diff) | |
Avoid an excessive use of iterator chain
Diffstat (limited to 'src')
| -rw-r--r-- | src/librustdoc/clean/mod.rs | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index fe502922ffd..d5c03879438 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -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. |