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Fix initial review

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This commit is contained in:
leonardo.yvens 2017-09-13 14:21:16 -03:00
parent c2fb70be6b
commit 9218e44434
1 changed files with 2 additions and 2 deletions
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4
src/librustc/middle/lang_items.rs
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@ -74,14 +74,14 @@ impl LanguageItems {
}
pub fn require(&self, it: LangItem) -> Result<DefId, String> {
self.items[it as usize].ok_or(format!("requires `{}` lang_item", it.name()))
self.items[it as usize].ok_or_else(|| format!("requires `{}` lang_item", it.name()))
}
pub fn fn_trait_kind(&self, id: DefId) -> Option<ty::ClosureKind> {
match Some(id) {
x if x == self.fn_trait() => Some(ty::ClosureKind::Fn),
x if x == self.fn_mut_trait() => Some(ty::ClosureKind::FnMut),
x if x == self.fn_once_trait() => Some(ty::ClosureKind::FnOnce),
x if x == self.fn_once_trait() => Some(ty::ClosureKind::FnOnce),
_ => None
}
}