rust-lang/rust
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

Combine projection and opaque into alias

Browse Source
This commit is contained in:
Michael Goulet
2022-11-26 21:51:55 +00:00
parent c13bd83528
commit 61adaf8187
104 changed files with 387 additions and 381 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
compiler/rustc_trait_selection/src/traits/auto_trait.rs
View File

@@ -579,14 +579,14 @@ impl<'tcx> AutoTraitFinder<'tcx> {
pub fn is_of_param(&self, ty: Ty<'_>) -> bool {
match ty.kind() {
ty::Param(_) => true,
ty::Projection(p) => self.is_of_param(p.self_ty()),
ty::Alias(ty::Projection, p) => self.is_of_param(p.self_ty()),
_ => false,
}
}
fn is_self_referential_projection(&self, p: ty::PolyProjectionPredicate<'_>) -> bool {
if let Some(ty) = p.term().skip_binder().ty() {
matches!(ty.kind(), ty::Projection(proj) if proj == &p.skip_binder().projection_ty)
matches!(ty.kind(), ty::Alias(ty::Projection, proj) if proj == &p.skip_binder().projection_ty)
} else {
false
}