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Normalize trait ref before orphan check & consider ty params in alias types to be uncovered

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León Orell Valerian Liehr 2023-10-15 13:40:17 +02:00
parent c2f2db79ca
commit 951e902562
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33 changed files with 1055 additions and 145 deletions
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8
compiler/rustc_hir_analysis/messages.ftl
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@ -486,13 +486,13 @@ hir_analysis_transparent_non_zero_sized_enum = the variant of a transparent {$de
hir_analysis_ty_of_assoc_const_binding_note = `{$assoc_const}` has type `{$ty}`
hir_analysis_ty_param_first_local = type parameter `{$param_ty}` must be covered by another type when it appears before the first local type (`{$local_type}`)
.label = type parameter `{$param_ty}` must be covered by another type when it appears before the first local type (`{$local_type}`)
hir_analysis_ty_param_first_local = type parameter `{$param}` must be covered by another type when it appears before the first local type (`{$local_type}`)
.label = type parameter `{$param}` must be covered by another type when it appears before the first local type (`{$local_type}`)
.note = implementing a foreign trait is only possible if at least one of the types for which it is implemented is local, and no uncovered type parameters appear before that first local type
.case_note = in this case, 'before' refers to the following order: `impl<..> ForeignTrait<T1, ..., Tn> for T0`, where `T0` is the first and `Tn` is the last
hir_analysis_ty_param_some = type parameter `{$param_ty}` must be used as the type parameter for some local type (e.g., `MyStruct<{$param_ty}>`)
.label = type parameter `{$param_ty}` must be used as the type parameter for some local type
hir_analysis_ty_param_some = type parameter `{$param}` must be used as the type parameter for some local type (e.g., `MyStruct<{$param}>`)
.label = type parameter `{$param}` must be used as the type parameter for some local type
.note = implementing a foreign trait is only possible if at least one of the types for which it is implemented is local
.only_note = only traits defined in the current crate can be implemented for a type parameter