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Introduce PredicateKind::Clause

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Santiago Pastorino 2022-11-24 18:14:58 -03:00
parent 42cc8e8f4e
commit 974e2837bb
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75 changed files with 568 additions and 407 deletions
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13
compiler/rustc_hir_analysis/src/variance/mod.rs
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@ -123,25 +123,28 @@ fn variance_of_opaque(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Varianc
// which thus mentions `'a` and should thus accept hidden types that borrow 'a
// instead of requiring an additional `+ 'a`.
match pred.kind().skip_binder() {
ty::PredicateKind::Trait(ty::TraitPredicate {
ty::PredicateKind::Clause(ty::Clause::Trait(ty::TraitPredicate {
trait_ref: ty::TraitRef { def_id: _, substs },
constness: _,
polarity: _,
}) => {
})) => {
for subst in &substs[1..] {
subst.visit_with(&mut collector);
}
}
ty::PredicateKind::Projection(ty::ProjectionPredicate {
ty::PredicateKind::Clause(ty::Clause::Projection(ty::ProjectionPredicate {
projection_ty: ty::ProjectionTy { substs, item_def_id: _ },
term,
}) => {
})) => {
for subst in &substs[1..] {
subst.visit_with(&mut collector);
}
term.visit_with(&mut collector);
}
ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate(_, region)) => {
ty::PredicateKind::Clause(ty::Clause::TypeOutlives(ty::OutlivesPredicate(
_,
region,
))) => {
region.visit_with(&mut collector);
}
_ => {