diff options
Diffstat (limited to 'compiler/rustc_hir/src/lang_items.rs')
| -rw-r--r-- | compiler/rustc_hir/src/lang_items.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/compiler/rustc_hir/src/lang_items.rs b/compiler/rustc_hir/src/lang_items.rs index b6689c95c4b..f5626937ec4 100644 --- a/compiler/rustc_hir/src/lang_items.rs +++ b/compiler/rustc_hir/src/lang_items.rs @@ -60,7 +60,7 @@ impl LanguageItems { self.reverse_items.get(&def_id).copied() } - pub fn iter(&self) -> impl Iterator<Item = (LangItem, DefId)> + '_ { + pub fn iter(&self) -> impl Iterator<Item = (LangItem, DefId)> { self.items .iter() .enumerate() @@ -351,6 +351,7 @@ language_item_table! { PhantomData, sym::phantom_data, phantom_data, Target::Struct, GenericRequirement::Exact(1); ManuallyDrop, sym::manually_drop, manually_drop, Target::Struct, GenericRequirement::None; + BikeshedGuaranteedNoDrop, sym::bikeshed_guaranteed_no_drop, bikeshed_guaranteed_no_drop, Target::Trait, GenericRequirement::Exact(0); MaybeUninit, sym::maybe_uninit, maybe_uninit, Target::Union, GenericRequirement::None; @@ -370,6 +371,8 @@ language_item_table! { PointerLike, sym::pointer_like, pointer_like, Target::Trait, GenericRequirement::Exact(0); + CoercePointeeValidated, sym::coerce_pointee_validated, coerce_pointee_validated_trait, Target::Trait, GenericRequirement::Exact(0); + ConstParamTy, sym::const_param_ty, const_param_ty_trait, Target::Trait, GenericRequirement::Exact(0); UnsizedConstParamTy, sym::unsized_const_param_ty, unsized_const_param_ty_trait, Target::Trait, GenericRequirement::Exact(0); @@ -429,9 +432,13 @@ language_item_table! { ContractCheckRequires, sym::contract_check_requires, contract_check_requires_fn, Target::Fn, GenericRequirement::None; } +/// The requirement imposed on the generics of a lang item pub enum GenericRequirement { + /// No restriction on the generics None, + /// A minimum number of generics that is demanded on a lang item Minimum(usize), + /// The number of generics must match precisely as stipulated Exact(usize), } |