rustc_middle::ty

Trait Interner

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pub trait Interner:
    Sized
    + Copy
    + IrPrint<AliasTy<Self>>
    + IrPrint<AliasTerm<Self>>
    + IrPrint<TraitRef<Self>>
    + IrPrint<TraitPredicate<Self>>
    + IrPrint<HostEffectPredicate<Self>>
    + IrPrint<ExistentialTraitRef<Self>>
    + IrPrint<ExistentialProjection<Self>>
    + IrPrint<ProjectionPredicate<Self>>
    + IrPrint<NormalizesTo<Self>>
    + IrPrint<SubtypePredicate<Self>>
    + IrPrint<CoercePredicate<Self>>
    + IrPrint<FnSig<Self>> {
Show 111 associated items type DefId: DefId<Self>; type LocalDefId: Copy + Debug + Hash + Eq + Into<Self::DefId> + TypeFoldable<Self>; type Span: Span<Self>; type GenericArgs: GenericArgs<Self>; type GenericArgsSlice: Copy + Debug + Hash + Eq + SliceLike<Item = Self::GenericArg>; type GenericArg: GenericArg<Self>; type Term: Term<Self>; type BoundVarKinds: Copy + Debug + Hash + Eq + SliceLike<Item = Self::BoundVarKind> + Default; type BoundVarKind: Copy + Debug + Hash + Eq; type PredefinedOpaques: Copy + Debug + Hash + Eq + TypeFoldable<Self> + Deref<Target = PredefinedOpaquesData<Self>>; type DefiningOpaqueTypes: Copy + Debug + Hash + Default + Eq + TypeVisitable<Self> + SliceLike<Item = Self::LocalDefId>; type CanonicalVars: Copy + Debug + Hash + Eq + SliceLike<Item = CanonicalVarInfo<Self>> + Default; type ExternalConstraints: Copy + Debug + Hash + Eq + TypeFoldable<Self> + Deref<Target = ExternalConstraintsData<Self>>; type DepNodeIndex; type Tracked<T: Debug + Clone>: Debug; type Ty: Ty<Self>; type Tys: Tys<Self>; type FnInputTys: Copy + Debug + Hash + Eq + SliceLike<Item = Self::Ty> + TypeVisitable<Self>; type ParamTy: Copy + Debug + Hash + Eq + ParamLike; type BoundTy: Copy + Debug + Hash + Eq + BoundVarLike<Self>; type PlaceholderTy: PlaceholderLike; type ErrorGuaranteed: Copy + Debug + Hash + Eq; type BoundExistentialPredicates: BoundExistentialPredicates<Self>; type AllocId: Copy + Debug + Hash + Eq; type Pat: Copy + Debug + Hash + Eq + Relate<Self>; type Safety: Safety<Self>; type Abi: Abi<Self>; type Const: Const<Self>; type PlaceholderConst: PlaceholderLike; type ParamConst: Copy + Debug + Hash + Eq + ParamLike; type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike<Self>; type ValueConst: Copy + Debug + Hash + Eq; type ExprConst: ExprConst<Self>; type Region: Region<Self>; type EarlyParamRegion: Copy + Debug + Hash + Eq + ParamLike; type LateParamRegion: Copy + Debug + Hash + Eq; type BoundRegion: Copy + Debug + Hash + Eq + BoundVarLike<Self>; type PlaceholderRegion: PlaceholderLike; type ParamEnv: ParamEnv<Self>; type Predicate: Predicate<Self>; type Clause: Clause<Self>; type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable<Self> + Flags; type GenericsOf: GenericsOf<Self>; type VariancesOf: Copy + Debug + SliceLike<Item = Variance>; type AdtDef: AdtDef<Self>; type Features: Features<Self>; type UnsizingParams: Deref<Target = BitSet<u32>>; // Required methods fn mk_predefined_opaques_in_body( self, data: PredefinedOpaquesData<Self>, ) -> Self::PredefinedOpaques; fn mk_canonical_var_infos( self, infos: &[CanonicalVarInfo<Self>], ) -> Self::CanonicalVars; fn mk_external_constraints( self, data: ExternalConstraintsData<Self>, ) -> Self::ExternalConstraints; fn mk_tracked<T>( self, data: T, dep_node: Self::DepNodeIndex, ) -> Self::Tracked<T> where T: Debug + Clone; fn get_tracked<T>(self, tracked: &Self::Tracked<T>) -> T where T: Debug + Clone; fn with_cached_task<T>( self, task: impl FnOnce() -> T, ) -> (T, Self::DepNodeIndex); fn with_global_cache<R>( self, f: impl FnOnce(&mut GlobalCache<Self>) -> R, ) -> R; fn evaluation_is_concurrent(&self) -> bool; fn expand_abstract_consts<T>(self, t: T) -> T where T: TypeFoldable<Self>; fn generics_of(self, def_id: Self::DefId) -> Self::GenericsOf; fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf; fn type_of(self, def_id: Self::DefId) -> EarlyBinder<Self, Self::Ty>; fn adt_def(self, adt_def_id: Self::DefId) -> Self::AdtDef; fn alias_ty_kind(self, alias: AliasTy<Self>) -> AliasTyKind; fn alias_term_kind(self, alias: AliasTerm<Self>) -> AliasTermKind; fn trait_ref_and_own_args_for_alias( self, def_id: Self::DefId, args: Self::GenericArgs, ) -> (TraitRef<Self>, Self::GenericArgsSlice); fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs; fn mk_args_from_iter<I, T>( self, args: I, ) -> <T as CollectAndApply<Self::GenericArg, Self::GenericArgs>>::Output where I: Iterator<Item = T>, T: CollectAndApply<Self::GenericArg, Self::GenericArgs>; fn check_args_compatible( self, def_id: Self::DefId, args: Self::GenericArgs, ) -> bool; fn debug_assert_args_compatible( self, def_id: Self::DefId, args: Self::GenericArgs, ); fn debug_assert_existential_args_compatible( self, def_id: Self::DefId, args: Self::GenericArgs, ); fn mk_type_list_from_iter<I, T>( self, args: I, ) -> <T as CollectAndApply<Self::Ty, Self::Tys>>::Output where I: Iterator<Item = T>, T: CollectAndApply<Self::Ty, Self::Tys>; fn parent(self, def_id: Self::DefId) -> Self::DefId; fn recursion_limit(self) -> usize; fn features(self) -> Self::Features; fn bound_coroutine_hidden_types( self, def_id: Self::DefId, ) -> impl IntoIterator<Item = EarlyBinder<Self, Binder<Self, Self::Ty>>>; fn fn_sig( self, def_id: Self::DefId, ) -> EarlyBinder<Self, Binder<Self, FnSig<Self>>>; fn coroutine_movability(self, def_id: Self::DefId) -> Movability; fn coroutine_for_closure(self, def_id: Self::DefId) -> Self::DefId; fn generics_require_sized_self(self, def_id: Self::DefId) -> bool; fn item_bounds( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Self::Clause>>; fn predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Self::Clause>>; fn own_predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Self::Clause>>; fn explicit_super_predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = (Self::Clause, Self::Span)>>; fn explicit_implied_predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = (Self::Clause, Self::Span)>>; fn is_const_impl(self, def_id: Self::DefId) -> bool; fn const_conditions( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Binder<Self, TraitRef<Self>>>>; fn implied_const_bounds( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Binder<Self, TraitRef<Self>>>>; fn has_target_features(self, def_id: Self::DefId) -> bool; fn require_lang_item(self, lang_item: TraitSolverLangItem) -> Self::DefId; fn is_lang_item( self, def_id: Self::DefId, lang_item: TraitSolverLangItem, ) -> bool; fn as_lang_item(self, def_id: Self::DefId) -> Option<TraitSolverLangItem>; fn associated_type_def_ids( self, def_id: Self::DefId, ) -> impl IntoIterator<Item = Self::DefId>; fn for_each_relevant_impl( self, trait_def_id: Self::DefId, self_ty: Self::Ty, f: impl FnMut(Self::DefId), ); fn has_item_definition(self, def_id: Self::DefId) -> bool; fn impl_is_default(self, impl_def_id: Self::DefId) -> bool; fn impl_trait_ref( self, impl_def_id: Self::DefId, ) -> EarlyBinder<Self, TraitRef<Self>>; fn impl_polarity(self, impl_def_id: Self::DefId) -> ImplPolarity; fn trait_is_auto(self, trait_def_id: Self::DefId) -> bool; fn trait_is_alias(self, trait_def_id: Self::DefId) -> bool; fn trait_is_dyn_compatible(self, trait_def_id: Self::DefId) -> bool; fn trait_is_fundamental(self, def_id: Self::DefId) -> bool; fn trait_may_be_implemented_via_object( self, trait_def_id: Self::DefId, ) -> bool; fn is_impl_trait_in_trait(self, def_id: Self::DefId) -> bool; fn delay_bug(self, msg: impl ToString) -> Self::ErrorGuaranteed; fn is_general_coroutine(self, coroutine_def_id: Self::DefId) -> bool; fn coroutine_is_async(self, coroutine_def_id: Self::DefId) -> bool; fn coroutine_is_gen(self, coroutine_def_id: Self::DefId) -> bool; fn coroutine_is_async_gen(self, coroutine_def_id: Self::DefId) -> bool; fn layout_is_pointer_like( self, param_env: Self::ParamEnv, ty: Self::Ty, ) -> bool; fn unsizing_params_for_adt( self, adt_def_id: Self::DefId, ) -> Self::UnsizingParams; fn find_const_ty_from_env( self, param_env: Self::ParamEnv, placeholder: Self::PlaceholderConst, ) -> Self::Ty; fn anonymize_bound_vars<T>(self, binder: Binder<Self, T>) -> Binder<Self, T> where T: TypeFoldable<Self>; fn opaque_types_defined_by( self, defining_anchor: Self::LocalDefId, ) -> Self::DefiningOpaqueTypes;
}

Required Associated Types§

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type DefId: DefId<Self>

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type LocalDefId: Copy + Debug + Hash + Eq + Into<Self::DefId> + TypeFoldable<Self>

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type Span: Span<Self>

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type GenericArgs: GenericArgs<Self>

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type GenericArgsSlice: Copy + Debug + Hash + Eq + SliceLike<Item = Self::GenericArg>

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type GenericArg: GenericArg<Self>

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type Term: Term<Self>

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type BoundVarKinds: Copy + Debug + Hash + Eq + SliceLike<Item = Self::BoundVarKind> + Default

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type BoundVarKind: Copy + Debug + Hash + Eq

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type PredefinedOpaques: Copy + Debug + Hash + Eq + TypeFoldable<Self> + Deref<Target = PredefinedOpaquesData<Self>>

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type DefiningOpaqueTypes: Copy + Debug + Hash + Default + Eq + TypeVisitable<Self> + SliceLike<Item = Self::LocalDefId>

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type CanonicalVars: Copy + Debug + Hash + Eq + SliceLike<Item = CanonicalVarInfo<Self>> + Default

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type ExternalConstraints: Copy + Debug + Hash + Eq + TypeFoldable<Self> + Deref<Target = ExternalConstraintsData<Self>>

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type DepNodeIndex

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type Tracked<T: Debug + Clone>: Debug

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type Ty: Ty<Self>

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type Tys: Tys<Self>

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type FnInputTys: Copy + Debug + Hash + Eq + SliceLike<Item = Self::Ty> + TypeVisitable<Self>

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type ParamTy: Copy + Debug + Hash + Eq + ParamLike

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type BoundTy: Copy + Debug + Hash + Eq + BoundVarLike<Self>

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type PlaceholderTy: PlaceholderLike

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type ErrorGuaranteed: Copy + Debug + Hash + Eq

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type BoundExistentialPredicates: BoundExistentialPredicates<Self>

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type AllocId: Copy + Debug + Hash + Eq

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type Pat: Copy + Debug + Hash + Eq + Relate<Self>

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type Safety: Safety<Self>

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type Abi: Abi<Self>

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type Const: Const<Self>

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type PlaceholderConst: PlaceholderLike

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type ParamConst: Copy + Debug + Hash + Eq + ParamLike

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type BoundConst: Copy + Debug + Hash + Eq + BoundVarLike<Self>

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type ValueConst: Copy + Debug + Hash + Eq

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type ExprConst: ExprConst<Self>

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type Region: Region<Self>

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type EarlyParamRegion: Copy + Debug + Hash + Eq + ParamLike

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type LateParamRegion: Copy + Debug + Hash + Eq

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type BoundRegion: Copy + Debug + Hash + Eq + BoundVarLike<Self>

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type PlaceholderRegion: PlaceholderLike

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type ParamEnv: ParamEnv<Self>

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type Predicate: Predicate<Self>

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type Clause: Clause<Self>

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type Clauses: Copy + Debug + Hash + Eq + TypeSuperVisitable<Self> + Flags

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type GenericsOf: GenericsOf<Self>

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type VariancesOf: Copy + Debug + SliceLike<Item = Variance>

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type AdtDef: AdtDef<Self>

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type Features: Features<Self>

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type UnsizingParams: Deref<Target = BitSet<u32>>

Required Methods§

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fn mk_predefined_opaques_in_body( self, data: PredefinedOpaquesData<Self>, ) -> Self::PredefinedOpaques

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fn mk_canonical_var_infos( self, infos: &[CanonicalVarInfo<Self>], ) -> Self::CanonicalVars

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fn mk_external_constraints( self, data: ExternalConstraintsData<Self>, ) -> Self::ExternalConstraints

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fn mk_tracked<T>( self, data: T, dep_node: Self::DepNodeIndex, ) -> Self::Tracked<T>
where T: Debug + Clone,

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fn get_tracked<T>(self, tracked: &Self::Tracked<T>) -> T
where T: Debug + Clone,

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fn with_cached_task<T>( self, task: impl FnOnce() -> T, ) -> (T, Self::DepNodeIndex)

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fn with_global_cache<R>(self, f: impl FnOnce(&mut GlobalCache<Self>) -> R) -> R

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fn evaluation_is_concurrent(&self) -> bool

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fn expand_abstract_consts<T>(self, t: T) -> T
where T: TypeFoldable<Self>,

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fn generics_of(self, def_id: Self::DefId) -> Self::GenericsOf

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fn variances_of(self, def_id: Self::DefId) -> Self::VariancesOf

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fn type_of(self, def_id: Self::DefId) -> EarlyBinder<Self, Self::Ty>

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fn adt_def(self, adt_def_id: Self::DefId) -> Self::AdtDef

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fn alias_ty_kind(self, alias: AliasTy<Self>) -> AliasTyKind

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fn alias_term_kind(self, alias: AliasTerm<Self>) -> AliasTermKind

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fn trait_ref_and_own_args_for_alias( self, def_id: Self::DefId, args: Self::GenericArgs, ) -> (TraitRef<Self>, Self::GenericArgsSlice)

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fn mk_args(self, args: &[Self::GenericArg]) -> Self::GenericArgs

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fn mk_args_from_iter<I, T>( self, args: I, ) -> <T as CollectAndApply<Self::GenericArg, Self::GenericArgs>>::Output
where I: Iterator<Item = T>, T: CollectAndApply<Self::GenericArg, Self::GenericArgs>,

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fn check_args_compatible( self, def_id: Self::DefId, args: Self::GenericArgs, ) -> bool

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fn debug_assert_args_compatible( self, def_id: Self::DefId, args: Self::GenericArgs, )

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fn debug_assert_existential_args_compatible( self, def_id: Self::DefId, args: Self::GenericArgs, )

Assert that the args from an ExistentialTraitRef or ExistentialProjection are compatible with the DefId.

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fn mk_type_list_from_iter<I, T>( self, args: I, ) -> <T as CollectAndApply<Self::Ty, Self::Tys>>::Output
where I: Iterator<Item = T>, T: CollectAndApply<Self::Ty, Self::Tys>,

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fn parent(self, def_id: Self::DefId) -> Self::DefId

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fn recursion_limit(self) -> usize

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fn features(self) -> Self::Features

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fn bound_coroutine_hidden_types( self, def_id: Self::DefId, ) -> impl IntoIterator<Item = EarlyBinder<Self, Binder<Self, Self::Ty>>>

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fn fn_sig( self, def_id: Self::DefId, ) -> EarlyBinder<Self, Binder<Self, FnSig<Self>>>

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fn coroutine_movability(self, def_id: Self::DefId) -> Movability

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fn coroutine_for_closure(self, def_id: Self::DefId) -> Self::DefId

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fn generics_require_sized_self(self, def_id: Self::DefId) -> bool

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fn item_bounds( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Self::Clause>>

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fn predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Self::Clause>>

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fn own_predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Self::Clause>>

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fn explicit_super_predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = (Self::Clause, Self::Span)>>

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fn explicit_implied_predicates_of( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = (Self::Clause, Self::Span)>>

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fn is_const_impl(self, def_id: Self::DefId) -> bool

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fn const_conditions( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Binder<Self, TraitRef<Self>>>>

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fn implied_const_bounds( self, def_id: Self::DefId, ) -> EarlyBinder<Self, impl IntoIterator<Item = Binder<Self, TraitRef<Self>>>>

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fn has_target_features(self, def_id: Self::DefId) -> bool

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fn require_lang_item(self, lang_item: TraitSolverLangItem) -> Self::DefId

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fn is_lang_item( self, def_id: Self::DefId, lang_item: TraitSolverLangItem, ) -> bool

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fn as_lang_item(self, def_id: Self::DefId) -> Option<TraitSolverLangItem>

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fn associated_type_def_ids( self, def_id: Self::DefId, ) -> impl IntoIterator<Item = Self::DefId>

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fn for_each_relevant_impl( self, trait_def_id: Self::DefId, self_ty: Self::Ty, f: impl FnMut(Self::DefId), )

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fn has_item_definition(self, def_id: Self::DefId) -> bool

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fn impl_is_default(self, impl_def_id: Self::DefId) -> bool

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fn impl_trait_ref( self, impl_def_id: Self::DefId, ) -> EarlyBinder<Self, TraitRef<Self>>

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fn impl_polarity(self, impl_def_id: Self::DefId) -> ImplPolarity

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fn trait_is_auto(self, trait_def_id: Self::DefId) -> bool

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fn trait_is_alias(self, trait_def_id: Self::DefId) -> bool

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fn trait_is_dyn_compatible(self, trait_def_id: Self::DefId) -> bool

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fn trait_is_fundamental(self, def_id: Self::DefId) -> bool

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fn trait_may_be_implemented_via_object(self, trait_def_id: Self::DefId) -> bool

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fn is_impl_trait_in_trait(self, def_id: Self::DefId) -> bool

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fn delay_bug(self, msg: impl ToString) -> Self::ErrorGuaranteed

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fn is_general_coroutine(self, coroutine_def_id: Self::DefId) -> bool

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fn coroutine_is_async(self, coroutine_def_id: Self::DefId) -> bool

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fn coroutine_is_gen(self, coroutine_def_id: Self::DefId) -> bool

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fn coroutine_is_async_gen(self, coroutine_def_id: Self::DefId) -> bool

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fn layout_is_pointer_like(self, param_env: Self::ParamEnv, ty: Self::Ty) -> bool

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fn unsizing_params_for_adt( self, adt_def_id: Self::DefId, ) -> Self::UnsizingParams

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fn find_const_ty_from_env( self, param_env: Self::ParamEnv, placeholder: Self::PlaceholderConst, ) -> Self::Ty

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fn anonymize_bound_vars<T>(self, binder: Binder<Self, T>) -> Binder<Self, T>
where T: TypeFoldable<Self>,

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fn opaque_types_defined_by( self, defining_anchor: Self::LocalDefId, ) -> Self::DefiningOpaqueTypes

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§

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impl<'tcx> Interner for TyCtxt<'tcx>

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type DefId = DefId

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type LocalDefId = LocalDefId

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type Span = Span

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type GenericArgs = &'tcx RawList<(), GenericArg<'tcx>>

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type GenericArgsSlice = &'tcx [GenericArg<'tcx>]

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type GenericArg = GenericArg<'tcx>

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type Term = Term<'tcx>

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type BoundVarKinds = &'tcx RawList<(), BoundVariableKind>

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type BoundVarKind = BoundVariableKind

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type PredefinedOpaques = PredefinedOpaques<'tcx>

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type DefiningOpaqueTypes = &'tcx RawList<(), LocalDefId>

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type CanonicalVars = &'tcx RawList<(), CanonicalVarInfo<TyCtxt<'tcx>>>

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type ExternalConstraints = ExternalConstraints<'tcx>

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type DepNodeIndex = DepNodeIndex

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type Ty = Ty<'tcx>

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type Tys = &'tcx RawList<(), Ty<'tcx>>

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type FnInputTys = &'tcx [Ty<'tcx>]

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type ParamTy = ParamTy

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type BoundTy = BoundTy

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type PlaceholderTy = Placeholder<BoundTy>

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type ErrorGuaranteed = ErrorGuaranteed

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type BoundExistentialPredicates = &'tcx RawList<(), Binder<TyCtxt<'tcx>, ExistentialPredicate<TyCtxt<'tcx>>>>

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type AllocId = AllocId

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type Pat = Pattern<'tcx>

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type Safety = Safety

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type Abi = ExternAbi

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type Const = Const<'tcx>

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type PlaceholderConst = Placeholder<BoundVar>

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type ParamConst = ParamConst

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type BoundConst = BoundVar

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type ValueConst = ValTree<'tcx>

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type ExprConst = Expr<'tcx>

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type Region = Region<'tcx>

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type EarlyParamRegion = EarlyParamRegion

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type LateParamRegion = LateParamRegion

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type BoundRegion = BoundRegion

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type PlaceholderRegion = Placeholder<BoundRegion>

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type ParamEnv = ParamEnv<'tcx>

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type Predicate = Predicate<'tcx>

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type Clause = Clause<'tcx>

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type Clauses = &'tcx RawList<TypeInfo, Clause<'tcx>>

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type Tracked<T: Debug + Clone> = WithDepNode<T>

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type GenericsOf = &'tcx Generics

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type VariancesOf = &'tcx [Variance]

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type AdtDef = AdtDef<'tcx>

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type Features = &'tcx Features

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type UnsizingParams = &'tcx BitSet<u32>