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Remove PredicateKind::Atom

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This commit is contained in:
Jack Huey 2020-12-21 22:49:03 -05:00
parent 7b3af4145b
commit 38e293cf5d
1 changed files with 8 additions and 6 deletions
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14
clippy_lints/src/needless_pass_by_value.rs
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@ -115,13 +115,15 @@ impl<'tcx> LateLintPass<'tcx> for NeedlessPassByValue {
.filter(|p| !p.is_global())
.filter_map(|obligation| {
// Note that we do not want to deal with qualified predicates here.
if let ty::PredicateKind::Atom(ty::PredicateAtom::Trait(pred, _)) = obligation.predicate.kind() {
if pred.def_id() == sized_trait {
return None;
let ty::PredicateKind::ForAll(binder) = obligation.predicate.kind();
match binder.skip_binder() {
ty::PredicateAtom::Trait(pred, _) if !binder.has_escaping_bound_vars() => {
if pred.def_id() == sized_trait {
return None;
}
Some(pred)
}
Some(pred)
} else {
None
_ => None,
}
})
.collect::<Vec<_>>();