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Remove some unnecessary slicing

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This commit is contained in:
Oli Scherer 2022-11-17 16:05:41 +00:00
parent 48ea298abf
commit 472444bc64
2 changed files with 9 additions and 9 deletions
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14
compiler/rustc_middle/src/ty/context.rs
View File

@ -2516,7 +2516,7 @@ impl<'tcx> TyCtxt<'tcx> {
self.mk_ty(Tuple(self.intern_type_list(&ts))) self.mk_ty(Tuple(self.intern_type_list(&ts)))
} }
pub fn mk_tup<I: InternAs<[Ty<'tcx>], Ty<'tcx>>>(self, iter: I) -> I::Output { pub fn mk_tup<I: InternAs<Ty<'tcx>, Ty<'tcx>>>(self, iter: I) -> I::Output {
iter.intern_with(|ts| self.mk_ty(Tuple(self.intern_type_list(&ts)))) iter.intern_with(|ts| self.mk_ty(Tuple(self.intern_type_list(&ts))))
} }
@ -2776,7 +2776,7 @@ impl<'tcx> TyCtxt<'tcx> {
} }
pub fn mk_poly_existential_predicates< pub fn mk_poly_existential_predicates<
I: InternAs<[PolyExistentialPredicate<'tcx>], &'tcx List<PolyExistentialPredicate<'tcx>>>, I: InternAs<PolyExistentialPredicate<'tcx>, &'tcx List<PolyExistentialPredicate<'tcx>>>,
>( >(
self, self,
iter: I, iter: I,
@ -2784,25 +2784,25 @@ impl<'tcx> TyCtxt<'tcx> {
iter.intern_with(|xs| self.intern_poly_existential_predicates(xs)) iter.intern_with(|xs| self.intern_poly_existential_predicates(xs))
} }
pub fn mk_predicates<I: InternAs<[Predicate<'tcx>], &'tcx List<Predicate<'tcx>>>>( pub fn mk_predicates<I: InternAs<Predicate<'tcx>, &'tcx List<Predicate<'tcx>>>>(
self, self,
iter: I, iter: I,
) -> I::Output { ) -> I::Output {
iter.intern_with(|xs| self.intern_predicates(xs)) iter.intern_with(|xs| self.intern_predicates(xs))
} }
pub fn mk_type_list<I: InternAs<[Ty<'tcx>], &'tcx List<Ty<'tcx>>>>(self, iter: I) -> I::Output { pub fn mk_type_list<I: InternAs<Ty<'tcx>, &'tcx List<Ty<'tcx>>>>(self, iter: I) -> I::Output {
iter.intern_with(|xs| self.intern_type_list(xs)) iter.intern_with(|xs| self.intern_type_list(xs))
} }
pub fn mk_substs<I: InternAs<[GenericArg<'tcx>], &'tcx List<GenericArg<'tcx>>>>( pub fn mk_substs<I: InternAs<GenericArg<'tcx>, &'tcx List<GenericArg<'tcx>>>>(
self, self,
iter: I, iter: I,
) -> I::Output { ) -> I::Output {
iter.intern_with(|xs| self.intern_substs(xs)) iter.intern_with(|xs| self.intern_substs(xs))
} }
pub fn mk_place_elems<I: InternAs<[PlaceElem<'tcx>], &'tcx List<PlaceElem<'tcx>>>>( pub fn mk_place_elems<I: InternAs<PlaceElem<'tcx>, &'tcx List<PlaceElem<'tcx>>>>(
self, self,
iter: I, iter: I,
) -> I::Output { ) -> I::Output {
@ -2835,7 +2835,7 @@ impl<'tcx> TyCtxt<'tcx> {
} }
pub fn mk_bound_variable_kinds< pub fn mk_bound_variable_kinds<
I: InternAs<[ty::BoundVariableKind], &'tcx List<ty::BoundVariableKind>>, I: InternAs<ty::BoundVariableKind, &'tcx List<ty::BoundVariableKind>>,
>( >(
self, self,
iter: I, iter: I,

4
compiler/rustc_type_ir/src/lib.rs
View File

@ -60,10 +60,10 @@ pub trait InternAs<T: ?Sized, R> {
type Output; type Output;
fn intern_with<F>(self, f: F) -> Self::Output fn intern_with<F>(self, f: F) -> Self::Output
where where
F: FnOnce(&T) -> R; F: FnOnce(&[T]) -> R;
} }
impl<I, T, R, E> InternAs<[T], R> for I impl<I, T, R, E> InternAs<T, R> for I
where where
E: InternIteratorElement<T, R>, E: InternIteratorElement<T, R>,
I: Iterator<Item = E>, I: Iterator<Item = E>,