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Begin to implement type system layer of unsafe binders

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This commit is contained in:
Michael Goulet 2024-12-21 17:05:40 +00:00
parent b22856d192
commit 9a1c5eb5b3
79 changed files with 536 additions and 305 deletions
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5
compiler/rustc_hir_analysis/src/variance/constraints.rs
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@ -322,6 +322,11 @@ impl<'a, 'tcx> ConstraintContext<'a, 'tcx> {
self.add_constraints_from_sig(current, sig_tys.with(hdr), variance);
}
ty::UnsafeBinder(ty) => {
// FIXME(unsafe_binders): This is covariant, right?
self.add_constraints_from_ty(current, ty.skip_binder(), variance);
}
ty::Error(_) => {
// we encounter this when walking the trait references for object
// types, where we use Error as the Self type