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Merge all TypeVisitable for &List<T> impls into one generic one

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This commit is contained in:
Oli Scherer 2022-09-15 15:33:46 +00:00
parent 9d9306828c
commit c6fcb1c6a3
4 changed files with 13 additions and 41 deletions
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20
compiler/rustc_middle/src/ty/structural_impls.rs
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@ -602,26 +602,12 @@ impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List<ty::Binder<'tcx, ty::Existentia
}
}
impl<'tcx> TypeVisitable<'tcx>
for &'tcx ty::List<ty::Binder<'tcx, ty::ExistentialPredicate<'tcx>>>
{
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
self.iter().try_for_each(|p| p.visit_with(visitor))
}
}
impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List<ProjectionKind> {
fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> {
ty::util::fold_list(self, folder, |tcx, v| tcx.intern_projs(v))
}
}
impl<'tcx> TypeVisitable<'tcx> for &'tcx ty::List<ProjectionKind> {
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
self.iter().try_for_each(|t| t.visit_with(visitor))
}
}
impl<'tcx> TypeFoldable<'tcx> for Ty<'tcx> {
fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> {
folder.try_fold_ty(self)
@ -797,12 +783,6 @@ impl<'tcx> TypeFoldable<'tcx> for &'tcx ty::List<ty::Predicate<'tcx>> {
}
}
impl<'tcx> TypeVisitable<'tcx> for &'tcx ty::List<ty::Predicate<'tcx>> {
fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
self.iter().try_for_each(|p| p.visit_with(visitor))
}
}
impl<'tcx, T: TypeFoldable<'tcx>, I: Idx> TypeFoldable<'tcx> for IndexVec<I, T> {
fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> {
self.try_map_id(|x| x.try_fold_with(folder))