diff options
Diffstat (limited to 'src/librustdoc/clean/blanket_impl.rs')
| -rw-r--r-- | src/librustdoc/clean/blanket_impl.rs | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index a36041588..dad2aa406 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -17,7 +17,7 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { let param_env = cx.tcx.param_env(item_def_id); let ty = cx.tcx.type_of(item_def_id); - trace!("get_blanket_impls({:?})", ty); + trace!("get_blanket_impls({ty:?})"); let mut impls = Vec::new(); for trait_def_id in cx.tcx.all_traits() { if !cx.cache.effective_visibilities.is_reachable(cx.tcx, trait_def_id) @@ -38,18 +38,22 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { continue; } let infcx = cx.tcx.infer_ctxt().build(); - let substs = infcx.fresh_substs_for_item(DUMMY_SP, item_def_id); - let impl_ty = ty.subst(infcx.tcx, substs); - let param_env = EarlyBinder::bind(param_env).subst(infcx.tcx, substs); + let args = infcx.fresh_args_for_item(DUMMY_SP, item_def_id); + let impl_ty = ty.instantiate(infcx.tcx, args); + let param_env = EarlyBinder::bind(param_env).instantiate(infcx.tcx, args); - let impl_substs = infcx.fresh_substs_for_item(DUMMY_SP, impl_def_id); - let impl_trait_ref = trait_ref.subst(infcx.tcx, impl_substs); + let impl_args = infcx.fresh_args_for_item(DUMMY_SP, impl_def_id); + let impl_trait_ref = trait_ref.instantiate(infcx.tcx, impl_args); // Require the type the impl is implemented on to match // our type, and ignore the impl if there was a mismatch. - let Ok(eq_result) = infcx.at(&traits::ObligationCause::dummy(), param_env).eq(DefineOpaqueTypes::No, impl_trait_ref.self_ty(), impl_ty) else { - continue - }; + let Ok(eq_result) = infcx.at(&traits::ObligationCause::dummy(), param_env).eq( + DefineOpaqueTypes::No, + impl_trait_ref.self_ty(), + impl_ty, + ) else { + continue; + }; let InferOk { value: (), obligations } = eq_result; // FIXME(eddyb) ignoring `obligations` might cause false positives. drop(obligations); @@ -63,12 +67,12 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { let predicates = cx .tcx .predicates_of(impl_def_id) - .instantiate(cx.tcx, impl_substs) + .instantiate(cx.tcx, impl_args) .predicates .into_iter() .chain(Some(ty::Binder::dummy(impl_trait_ref).to_predicate(infcx.tcx))); for predicate in predicates { - debug!("testing predicate {:?}", predicate); + debug!("testing predicate {predicate:?}"); let obligation = traits::Obligation::new( infcx.tcx, traits::ObligationCause::dummy(), @@ -104,11 +108,11 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { // the post-inference `trait_ref`, as it's more accurate. trait_: Some(clean_trait_ref_with_bindings( cx, - ty::Binder::dummy(trait_ref.subst_identity()), + ty::Binder::dummy(trait_ref.instantiate_identity()), ThinVec::new(), )), for_: clean_middle_ty( - ty::Binder::dummy(ty.subst_identity()), + ty::Binder::dummy(ty.instantiate_identity()), cx, None, None, @@ -117,11 +121,12 @@ impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { .tcx .associated_items(impl_def_id) .in_definition_order() - .map(|x| clean_middle_assoc_item(x, cx)) + .filter(|item| !item.is_impl_trait_in_trait()) + .map(|item| clean_middle_assoc_item(item, cx)) .collect::<Vec<_>>(), polarity: ty::ImplPolarity::Positive, kind: ImplKind::Blanket(Box::new(clean_middle_ty( - ty::Binder::dummy(trait_ref.subst_identity().self_ty()), + ty::Binder::dummy(trait_ref.instantiate_identity().self_ty()), cx, None, None, |