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Add is_impl_trait_in_trait

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Santiago Pastorino 2023-03-06 11:33:51 -03:00
parent c2238527e6
commit 47860ddf58
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1 changed files with 8 additions and 0 deletions
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8
compiler/rustc_middle/src/ty/context.rs
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@ -2443,6 +2443,14 @@ impl<'tcx> TyCtxt<'tcx> {
pub fn lower_impl_trait_in_trait_to_assoc_ty(self) -> bool {
self.sess.opts.unstable_opts.lower_impl_trait_in_trait_to_assoc_ty
}
pub fn is_impl_trait_in_trait(self, def_id: DefId) -> bool {
if self.lower_impl_trait_in_trait_to_assoc_ty() {
self.def_kind(def_id) == DefKind::AssocTy && self.opt_rpitit_info(def_id).is_some()
} else {
self.def_kind(def_id) == DefKind::ImplTraitPlaceholder
}
}
}
impl<'tcx> TyCtxtAt<'tcx> {