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anonymize_predicate

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This commit is contained in:
Bastian Kauschke 2020-06-17 00:13:00 +02:00
parent 1b33f39126
commit cd30894c2f
1 changed files with 23 additions and 30 deletions
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53
src/librustc_infer/traits/util.rs
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@ -10,41 +10,34 @@ pub fn anonymize_predicate<'tcx>(
tcx: TyCtxt<'tcx>,
pred: ty::Predicate<'tcx>,
) -> ty::Predicate<'tcx> {
let kind = pred.kind();
let kind = pred.kint(tcx);
let new = match kind {
&ty::PredicateKind::Trait(ref data, constness) => {
ty::PredicateKind::Trait(tcx.anonymize_late_bound_regions(data), constness)
ty::PredicateKint::ForAll(binder) => {
ty::PredicateKint::ForAll(tcx.anonymize_late_bound_regions(binder))
}
&ty::PredicateKint::Trait(data, constness) => ty::PredicateKint::Trait(data, constness),
&ty::PredicateKint::RegionOutlives(data) => ty::PredicateKint::RegionOutlives(data),
&ty::PredicateKint::TypeOutlives(data) => ty::PredicateKint::TypeOutlives(data),
&ty::PredicateKint::Projection(data) => ty::PredicateKint::Projection(data),
&ty::PredicateKint::WellFormed(data) => ty::PredicateKint::WellFormed(data),
&ty::PredicateKint::ObjectSafe(data) => ty::PredicateKint::ObjectSafe(data),
&ty::PredicateKint::ClosureKind(closure_def_id, closure_substs, kind) => {
ty::PredicateKint::ClosureKind(closure_def_id, closure_substs, kind)
}
ty::PredicateKind::RegionOutlives(data) => {
ty::PredicateKind::RegionOutlives(tcx.anonymize_late_bound_regions(data))
&ty::PredicateKint::Subtype(data) => ty::PredicateKint::Subtype(data),
&ty::PredicateKint::ConstEvaluatable(def_id, substs) => {
ty::PredicateKint::ConstEvaluatable(def_id, substs)
}
ty::PredicateKind::TypeOutlives(data) => {
ty::PredicateKind::TypeOutlives(tcx.anonymize_late_bound_regions(data))
}
ty::PredicateKind::Projection(data) => {
ty::PredicateKind::Projection(tcx.anonymize_late_bound_regions(data))
}
&ty::PredicateKind::WellFormed(data) => ty::PredicateKind::WellFormed(data),
&ty::PredicateKind::ObjectSafe(data) => ty::PredicateKind::ObjectSafe(data),
&ty::PredicateKind::ClosureKind(closure_def_id, closure_substs, kind) => {
ty::PredicateKind::ClosureKind(closure_def_id, closure_substs, kind)
}
ty::PredicateKind::Subtype(data) => {
ty::PredicateKind::Subtype(tcx.anonymize_late_bound_regions(data))
}
&ty::PredicateKind::ConstEvaluatable(def_id, substs) => {
ty::PredicateKind::ConstEvaluatable(def_id, substs)
}
ty::PredicateKind::ConstEquate(c1, c2) => ty::PredicateKind::ConstEquate(c1, c2),
&ty::PredicateKint::ConstEquate(c1, c2) => ty::PredicateKint::ConstEquate(c1, c2),
};
if new != *kind { new.to_predicate(tcx) } else { pred }