Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/hir-ty/src/dyn_compatibility.rs')
| -rw-r--r-- | crates/hir-ty/src/dyn_compatibility.rs | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/crates/hir-ty/src/dyn_compatibility.rs b/crates/hir-ty/src/dyn_compatibility.rs index 751e1424ab..bf7970d629 100644 --- a/crates/hir-ty/src/dyn_compatibility.rs +++ b/crates/hir-ty/src/dyn_compatibility.rs @@ -426,15 +426,9 @@ fn receiver_is_dispatchable<'db>( return false; }; - let meta_sized_did = lang_items.MetaSized; - - // TODO: This is for supporting dyn compatibility for toolchains doesn't contain `MetaSized` - // trait. Uncomment and short circuit here once `MINIMUM_SUPPORTED_TOOLCHAIN_VERSION` - // become > 1.88.0 - // - // let Some(meta_sized_did) = meta_sized_did else { - // return false; - // }; + let Some(meta_sized_did) = lang_items.MetaSized else { + return false; + }; // Type `U` // FIXME: That seems problematic to fake a generic param like that? @@ -455,8 +449,8 @@ fn receiver_is_dispatchable<'db>( }); let trait_predicate = TraitRef::new_from_args(interner, trait_.into(), args); - let meta_sized_predicate = meta_sized_did - .map(|did| TraitRef::new(interner, did.into(), [unsized_self_ty]).upcast(interner)); + let meta_sized_predicate = + TraitRef::new(interner, meta_sized_did.into(), [unsized_self_ty]).upcast(interner); ParamEnv { clauses: Clauses::new_from_iter( @@ -465,7 +459,7 @@ fn receiver_is_dispatchable<'db>( .iter_identity() .map(Unnormalized::skip_norm_wip) .chain([unsize_predicate.upcast(interner), trait_predicate.upcast(interner)]) - .chain(meta_sized_predicate), + .chain(std::iter::once(meta_sized_predicate)), ), } }; |