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This commit is contained in:
Oliver Schneider 2016-06-21 13:49:08 +02:00
parent eef439cb78
commit 48a5f8446d
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GPG Key ID: 56D6EEA0FC67AC46
1 changed files with 10 additions and 12 deletions
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22
clippy_lints/src/lifetimes.rs
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@ -71,19 +71,17 @@ enum RefLt {
Named(Name),
}
fn bound_lifetimes(bound: &TyParamBound) -> Option<HirVec<&Lifetime>> {
fn bound_lifetimes(bound: &TyParamBound) -> HirVec<&Lifetime> {
if let TraitTyParamBound(ref trait_ref, _) = *bound {
let lt = trait_ref.trait_ref
.path
.segments
.last()
.expect("a path must have at least one segment")
.parameters
.lifetimes();
Some(lt)
trait_ref.trait_ref
.path
.segments
.last()
.expect("a path must have at least one segment")
.parameters
.lifetimes()
} else {
None
HirVec::new()
}
}
@ -94,7 +92,7 @@ fn check_fn_inner(cx: &LateContext, decl: &FnDecl, generics: &Generics, span: Sp
let bounds_lts = generics.ty_params
.iter()
.flat_map(|ref typ| typ.bounds.iter().filter_map(bound_lifetimes).flat_map(|lts| lts));
.flat_map(|typ| typ.bounds.iter().flat_map(bound_lifetimes));
if could_use_elision(cx, decl, &generics.lifetimes, bounds_lts) {
span_lint(cx,