bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Remove many more cases of mk_substs_trait that can now use the iterator scheme`

Browse source
This commit is contained in:
Oli Scherer 2022-12-13 10:44:35 +00:00
parent 0fe86aa977
commit 1bf80249ae
7 changed files with 25 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

6
compiler/rustc_middle/src/ty/context.rs
View file

@ -2598,7 +2598,11 @@ impl<'tcx> TyCtxt<'tcx> {
}
#[inline]
pub fn mk_projection(self, item_def_id: DefId, substs: SubstsRef<'tcx>) -> Ty<'tcx> {
pub fn mk_projection(
self,
item_def_id: DefId,
substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>,
) -> Ty<'tcx> {
self.mk_ty(Alias(ty::Projection, self.mk_alias_ty(item_def_id, substs)))
}

12
compiler/rustc_middle/src/ty/mod.rs
View file

@ -1050,6 +1050,18 @@ impl<'tcx> PolyProjectionPredicate<'tcx> {
}
}
impl<'tcx> ProjectionPredicate<'tcx> {
pub fn with_self_ty(self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> Self {
Self {
projection_ty: tcx.mk_alias_ty(
self.projection_ty.def_id,
[self_ty.into()].into_iter().chain(self.projection_ty.substs.iter().skip(1)),
),
..self
}
}
}
pub trait ToPolyTraitRef<'tcx> {
fn to_poly_trait_ref(&self) -> PolyTraitRef<'tcx>;
}