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Rollup merge of #114169 - lcnr:unsize, r=compiler-errors

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refactor builtin unsize handling, extend comments

r? `@compiler-errors`
This commit is contained in:
Matthias Krüger
2023-07-31 16:57:53 +02:00
committed by GitHub
parent b321edd1b2 17f87c5aff
commit b8f78fb47c
9 changed files with 271 additions and 218 deletions
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12
compiler/rustc_middle/src/ty/mod.rs
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@@ -1359,12 +1359,24 @@ impl<'tcx> ToPredicate<'tcx, Clause<'tcx>> for PolyTraitPredicate<'tcx> {
}
}
impl<'tcx> ToPredicate<'tcx> for OutlivesPredicate<ty::Region<'tcx>, ty::Region<'tcx>> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
ty::Binder::dummy(PredicateKind::Clause(ClauseKind::RegionOutlives(self))).to_predicate(tcx)
}
}
impl<'tcx> ToPredicate<'tcx> for PolyRegionOutlivesPredicate<'tcx> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
self.map_bound(|p| PredicateKind::Clause(ClauseKind::RegionOutlives(p))).to_predicate(tcx)
}
}
impl<'tcx> ToPredicate<'tcx> for OutlivesPredicate<Ty<'tcx>, ty::Region<'tcx>> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
ty::Binder::dummy(PredicateKind::Clause(ClauseKind::TypeOutlives(self))).to_predicate(tcx)
}
}
impl<'tcx> ToPredicate<'tcx> for PolyTypeOutlivesPredicate<'tcx> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
self.map_bound(|p| PredicateKind::Clause(ClauseKind::TypeOutlives(p))).to_predicate(tcx)