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drive-by: Default param for ToPredicate

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This commit is contained in:
Michael Goulet 2022-12-06 00:00:01 +00:00
parent d1449560e3
commit e940f845be
3 changed files with 12 additions and 14 deletions
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6
compiler/rustc_borrowck/src/type_check/canonical.rs
View file

@ -121,9 +121,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
pub(super) fn prove_predicates(
&mut self,
predicates: impl IntoIterator<
Item = impl ToPredicate<'tcx, ty::Predicate<'tcx>> + std::fmt::Debug,
>,
predicates: impl IntoIterator<Item = impl ToPredicate<'tcx> + std::fmt::Debug>,
locations: Locations,
category: ConstraintCategory<'tcx>,
) {
@ -135,7 +133,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> {
#[instrument(skip(self), level = "debug")]
pub(super) fn prove_predicate(
&mut self,
predicate: impl ToPredicate<'tcx, ty::Predicate<'tcx>> + std::fmt::Debug,
predicate: impl ToPredicate<'tcx> + std::fmt::Debug,
locations: Locations,
category: ConstraintCategory<'tcx>,
) {

18
compiler/rustc_middle/src/ty/mod.rs
View file

@ -1150,8 +1150,8 @@ impl<'tcx> ToPolyTraitRef<'tcx> for PolyTraitPredicate<'tcx> {
}
}
pub trait ToPredicate<'tcx, Predicate> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate;
pub trait ToPredicate<'tcx, P = Predicate<'tcx>> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> P;
}
impl<'tcx, T> ToPredicate<'tcx, T> for T {
@ -1160,21 +1160,21 @@ impl<'tcx, T> ToPredicate<'tcx, T> for T {
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for Binder<'tcx, PredicateKind<'tcx>> {
impl<'tcx> ToPredicate<'tcx> for Binder<'tcx, PredicateKind<'tcx>> {
#[inline(always)]
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
tcx.mk_predicate(self)
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for Clause<'tcx> {
impl<'tcx> ToPredicate<'tcx> for Clause<'tcx> {
#[inline(always)]
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
tcx.mk_predicate(ty::Binder::dummy(ty::PredicateKind::Clause(self)))
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for Binder<'tcx, TraitRef<'tcx>> {
impl<'tcx> ToPredicate<'tcx> for Binder<'tcx, TraitRef<'tcx>> {
#[inline(always)]
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
let pred: PolyTraitPredicate<'tcx> = self.to_predicate(tcx);
@ -1193,25 +1193,25 @@ impl<'tcx> ToPredicate<'tcx, PolyTraitPredicate<'tcx>> for Binder<'tcx, TraitRef
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyTraitPredicate<'tcx> {
impl<'tcx> ToPredicate<'tcx> for PolyTraitPredicate<'tcx> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
self.map_bound(|p| PredicateKind::Clause(Clause::Trait(p))).to_predicate(tcx)
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyRegionOutlivesPredicate<'tcx> {
impl<'tcx> ToPredicate<'tcx> for PolyRegionOutlivesPredicate<'tcx> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
self.map_bound(|p| PredicateKind::Clause(Clause::RegionOutlives(p))).to_predicate(tcx)
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyTypeOutlivesPredicate<'tcx> {
impl<'tcx> ToPredicate<'tcx> for PolyTypeOutlivesPredicate<'tcx> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
self.map_bound(|p| PredicateKind::Clause(Clause::TypeOutlives(p))).to_predicate(tcx)
}
}
impl<'tcx> ToPredicate<'tcx, Predicate<'tcx>> for PolyProjectionPredicate<'tcx> {
impl<'tcx> ToPredicate<'tcx> for PolyProjectionPredicate<'tcx> {
fn to_predicate(self, tcx: TyCtxt<'tcx>) -> Predicate<'tcx> {
self.map_bound(|p| PredicateKind::Clause(Clause::Projection(p))).to_predicate(tcx)
}

2
compiler/rustc_trait_selection/src/traits/mod.rs
View file

@ -150,7 +150,7 @@ pub fn type_known_to_meet_bound_modulo_regions<'tcx>(
fn pred_known_to_hold_modulo_regions<'tcx>(
infcx: &InferCtxt<'tcx>,
param_env: ty::ParamEnv<'tcx>,
pred: impl ToPredicate<'tcx, ty::Predicate<'tcx>> + TypeVisitable<'tcx>,
pred: impl ToPredicate<'tcx> + TypeVisitable<'tcx>,
span: Span,
) -> bool {
let has_non_region_infer = pred.has_non_region_infer();