mirror of
https://github.com/rust-lang/rust-analyzer.git
synced 2025-09-28 11:20:54 +00:00
41611b19e5
To the extent possible. Previously they were confused. Sometimes generic params were treated as `Param` and sometimes as `Placeholder`. A completely redundant (in the new solver) mapping of salsa::Id to ints to intern some info where we could just store it uninterned (not in Chalk though, for some weird reason). Plus fix a cute bug in closure substitution that was caught by the assertions of Chalk but the next solver did not have such assertions. Do we need more assertions?
453 lines
17 KiB
Rust
453 lines
17 KiB
Rust
//! The home of `HirDatabase`, which is the Salsa database containing all the
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//! type inference-related queries.
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use base_db::Crate;
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use hir_def::{
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AdtId, BlockId, CallableDefId, ConstParamId, DefWithBodyId, EnumVariantId, FunctionId,
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GeneralConstId, GenericDefId, ImplId, LifetimeParamId, LocalFieldId, StaticId, TraitId,
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TypeAliasId, TypeOrConstParamId, VariantId, db::DefDatabase, hir::ExprId,
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layout::TargetDataLayout,
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};
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use hir_expand::name::Name;
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use la_arena::ArenaMap;
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use salsa::plumbing::AsId;
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use smallvec::SmallVec;
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use triomphe::Arc;
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use crate::{
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Binders, Const, ImplTraitId, ImplTraits, InferenceResult, PolyFnSig, Substitution,
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TraitEnvironment, TraitRef, Ty, TyDefId, ValueTyDefId, chalk_db,
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consteval::ConstEvalError,
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drop::DropGlue,
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dyn_compatibility::DynCompatibilityViolation,
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layout::{Layout, LayoutError},
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lower::{Diagnostics, GenericDefaults, GenericPredicates},
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method_resolution::{InherentImpls, TraitImpls, TyFingerprint},
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mir::{BorrowckResult, MirBody, MirLowerError},
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traits::NextTraitSolveResult,
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};
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#[query_group::query_group]
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pub trait HirDatabase: DefDatabase + std::fmt::Debug {
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#[salsa::invoke(crate::infer::infer_query)]
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#[salsa::cycle(cycle_result = crate::infer::infer_cycle_result)]
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fn infer(&self, def: DefWithBodyId) -> Arc<InferenceResult>;
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// region:mir
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#[salsa::invoke(crate::mir::mir_body_query)]
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#[salsa::cycle(cycle_result = crate::mir::mir_body_cycle_result)]
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fn mir_body(&self, def: DefWithBodyId) -> Result<Arc<MirBody>, MirLowerError>;
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#[salsa::invoke(crate::mir::mir_body_for_closure_query)]
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fn mir_body_for_closure(&self, def: InternedClosureId) -> Result<Arc<MirBody>, MirLowerError>;
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#[salsa::invoke(crate::mir::monomorphized_mir_body_query)]
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#[salsa::cycle(cycle_result = crate::mir::monomorphized_mir_body_cycle_result)]
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fn monomorphized_mir_body(
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&self,
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def: DefWithBodyId,
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subst: Substitution,
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env: Arc<TraitEnvironment>,
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) -> Result<Arc<MirBody>, MirLowerError>;
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#[salsa::invoke(crate::mir::monomorphized_mir_body_for_closure_query)]
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fn monomorphized_mir_body_for_closure(
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&self,
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def: InternedClosureId,
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subst: Substitution,
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env: Arc<TraitEnvironment>,
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) -> Result<Arc<MirBody>, MirLowerError>;
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#[salsa::invoke(crate::mir::borrowck_query)]
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#[salsa::lru(2024)]
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fn borrowck(&self, def: DefWithBodyId) -> Result<Arc<[BorrowckResult]>, MirLowerError>;
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#[salsa::invoke(crate::consteval::const_eval_query)]
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#[salsa::cycle(cycle_result = crate::consteval::const_eval_cycle_result)]
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fn const_eval(
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&self,
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def: GeneralConstId,
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subst: Substitution,
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trait_env: Option<Arc<TraitEnvironment>>,
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) -> Result<Const, ConstEvalError>;
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#[salsa::invoke(crate::consteval::const_eval_static_query)]
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#[salsa::cycle(cycle_result = crate::consteval::const_eval_static_cycle_result)]
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fn const_eval_static(&self, def: StaticId) -> Result<Const, ConstEvalError>;
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#[salsa::invoke(crate::consteval::const_eval_discriminant_variant)]
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#[salsa::cycle(cycle_result = crate::consteval::const_eval_discriminant_cycle_result)]
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fn const_eval_discriminant(&self, def: EnumVariantId) -> Result<i128, ConstEvalError>;
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#[salsa::invoke(crate::method_resolution::lookup_impl_method_query)]
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fn lookup_impl_method(
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&self,
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env: Arc<TraitEnvironment>,
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func: FunctionId,
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fn_subst: Substitution,
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) -> (FunctionId, Substitution);
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// endregion:mir
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#[salsa::invoke(crate::layout::layout_of_adt_query)]
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#[salsa::cycle(cycle_result = crate::layout::layout_of_adt_cycle_result)]
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fn layout_of_adt<'db>(
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&'db self,
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def: AdtId,
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args: crate::next_solver::GenericArgs<'db>,
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trait_env: Arc<TraitEnvironment>,
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) -> Result<Arc<Layout>, LayoutError>;
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#[salsa::invoke(crate::layout::layout_of_ty_query)]
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#[salsa::cycle(cycle_result = crate::layout::layout_of_ty_cycle_result)]
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fn layout_of_ty<'db>(
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&'db self,
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ty: crate::next_solver::Ty<'db>,
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env: Arc<TraitEnvironment>,
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) -> Result<Arc<Layout>, LayoutError>;
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#[salsa::invoke(crate::layout::target_data_layout_query)]
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fn target_data_layout(&self, krate: Crate) -> Result<Arc<TargetDataLayout>, Arc<str>>;
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#[salsa::invoke(crate::dyn_compatibility::dyn_compatibility_of_trait_query)]
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fn dyn_compatibility_of_trait(&self, trait_: TraitId) -> Option<DynCompatibilityViolation>;
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#[salsa::invoke(crate::lower::ty_query)]
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#[salsa::transparent]
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fn ty(&self, def: TyDefId) -> Binders<Ty>;
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#[salsa::invoke(crate::lower::type_for_type_alias_with_diagnostics_query)]
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#[salsa::cycle(cycle_result = crate::lower::type_for_type_alias_with_diagnostics_cycle_result)]
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fn type_for_type_alias_with_diagnostics(&self, def: TypeAliasId) -> (Binders<Ty>, Diagnostics);
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/// Returns the type of the value of the given constant, or `None` if the `ValueTyDefId` is
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/// a `StructId` or `EnumVariantId` with a record constructor.
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#[salsa::invoke(crate::lower::value_ty_query)]
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fn value_ty(&self, def: ValueTyDefId) -> Option<Binders<Ty>>;
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#[salsa::invoke(crate::lower::impl_self_ty_with_diagnostics_query)]
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#[salsa::cycle(cycle_result = crate::lower::impl_self_ty_with_diagnostics_cycle_result)]
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fn impl_self_ty_with_diagnostics(&self, def: ImplId) -> (Binders<Ty>, Diagnostics);
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#[salsa::invoke(crate::lower::impl_self_ty_query)]
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#[salsa::transparent]
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fn impl_self_ty(&self, def: ImplId) -> Binders<Ty>;
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// FIXME: Make this a non-interned query.
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#[salsa::invoke_interned(crate::lower::const_param_ty_with_diagnostics_query)]
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#[salsa::cycle(cycle_result = crate::lower::const_param_ty_with_diagnostics_cycle_result)]
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fn const_param_ty_with_diagnostics(&self, def: ConstParamId) -> (Ty, Diagnostics);
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#[salsa::invoke(crate::lower::const_param_ty_query)]
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#[salsa::transparent]
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fn const_param_ty(&self, def: ConstParamId) -> Ty;
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#[salsa::invoke(crate::lower::impl_trait_with_diagnostics_query)]
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fn impl_trait_with_diagnostics(&self, def: ImplId) -> Option<(Binders<TraitRef>, Diagnostics)>;
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#[salsa::invoke(crate::lower::impl_trait_query)]
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#[salsa::transparent]
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fn impl_trait(&self, def: ImplId) -> Option<Binders<TraitRef>>;
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#[salsa::invoke(crate::lower::field_types_with_diagnostics_query)]
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fn field_types_with_diagnostics(
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&self,
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var: VariantId,
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) -> (Arc<ArenaMap<LocalFieldId, Binders<Ty>>>, Diagnostics);
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#[salsa::invoke(crate::lower::field_types_query)]
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#[salsa::transparent]
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fn field_types(&self, var: VariantId) -> Arc<ArenaMap<LocalFieldId, Binders<Ty>>>;
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#[salsa::invoke(crate::lower::callable_item_signature_query)]
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fn callable_item_signature(&self, def: CallableDefId) -> PolyFnSig;
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#[salsa::invoke(crate::lower::return_type_impl_traits)]
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fn return_type_impl_traits(&self, def: FunctionId) -> Option<Arc<Binders<ImplTraits>>>;
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#[salsa::invoke(crate::lower::type_alias_impl_traits)]
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fn type_alias_impl_traits(&self, def: TypeAliasId) -> Option<Arc<Binders<ImplTraits>>>;
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#[salsa::invoke(crate::lower::generic_predicates_for_param_query)]
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#[salsa::cycle(cycle_result = crate::lower::generic_predicates_for_param_cycle_result)]
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fn generic_predicates_for_param(
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&self,
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def: GenericDefId,
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param_id: TypeOrConstParamId,
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assoc_name: Option<Name>,
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) -> GenericPredicates;
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#[salsa::invoke(crate::lower::generic_predicates_query)]
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fn generic_predicates(&self, def: GenericDefId) -> GenericPredicates;
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#[salsa::invoke(crate::lower::trait_environment_for_body_query)]
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#[salsa::transparent]
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fn trait_environment_for_body(&self, def: DefWithBodyId) -> Arc<TraitEnvironment>;
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#[salsa::invoke(crate::lower::trait_environment_query)]
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fn trait_environment(&self, def: GenericDefId) -> Arc<TraitEnvironment>;
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#[salsa::invoke(crate::lower::generic_defaults_with_diagnostics_query)]
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#[salsa::cycle(cycle_result = crate::lower::generic_defaults_with_diagnostics_cycle_result)]
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fn generic_defaults_with_diagnostics(
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&self,
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def: GenericDefId,
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) -> (GenericDefaults, Diagnostics);
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/// This returns an empty list if no parameter has default.
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///
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/// The binders of the returned defaults are only up to (not including) this parameter.
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#[salsa::invoke(crate::lower::generic_defaults_query)]
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#[salsa::transparent]
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fn generic_defaults(&self, def: GenericDefId) -> GenericDefaults;
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#[salsa::invoke(InherentImpls::inherent_impls_in_crate_query)]
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fn inherent_impls_in_crate(&self, krate: Crate) -> Arc<InherentImpls>;
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#[salsa::invoke(InherentImpls::inherent_impls_in_block_query)]
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fn inherent_impls_in_block(&self, block: BlockId) -> Option<Arc<InherentImpls>>;
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/// Collects all crates in the dependency graph that have impls for the
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/// given fingerprint. This is only used for primitive types and types
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/// annotated with `rustc_has_incoherent_inherent_impls`; for other types
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/// we just look at the crate where the type is defined.
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#[salsa::invoke(crate::method_resolution::incoherent_inherent_impl_crates)]
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fn incoherent_inherent_impl_crates(
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&self,
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krate: Crate,
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fp: TyFingerprint,
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) -> SmallVec<[Crate; 2]>;
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#[salsa::invoke(TraitImpls::trait_impls_in_crate_query)]
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fn trait_impls_in_crate(&self, krate: Crate) -> Arc<TraitImpls>;
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#[salsa::invoke(TraitImpls::trait_impls_in_block_query)]
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fn trait_impls_in_block(&self, block: BlockId) -> Option<Arc<TraitImpls>>;
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#[salsa::invoke(TraitImpls::trait_impls_in_deps_query)]
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fn trait_impls_in_deps(&self, krate: Crate) -> Arc<[Arc<TraitImpls>]>;
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// Interned IDs for Chalk integration
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#[salsa::interned]
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fn intern_impl_trait_id(&self, id: ImplTraitId) -> InternedOpaqueTyId;
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#[salsa::interned]
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fn intern_closure(&self, id: InternedClosure) -> InternedClosureId;
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#[salsa::interned]
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fn intern_coroutine(&self, id: InternedCoroutine) -> InternedCoroutineId;
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#[salsa::invoke(chalk_db::fn_def_variance_query)]
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fn fn_def_variance(&self, fn_def_id: CallableDefId) -> chalk_db::Variances;
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#[salsa::invoke(chalk_db::adt_variance_query)]
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fn adt_variance(&self, adt_id: AdtId) -> chalk_db::Variances;
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#[salsa::invoke(crate::variance::variances_of)]
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#[salsa::cycle(
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// cycle_fn = crate::variance::variances_of_cycle_fn,
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// cycle_initial = crate::variance::variances_of_cycle_initial,
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cycle_result = crate::variance::variances_of_cycle_initial,
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)]
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fn variances_of(&self, def: GenericDefId) -> Option<Arc<[crate::variance::Variance]>>;
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#[salsa::invoke(crate::traits::normalize_projection_query)]
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#[salsa::transparent]
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fn normalize_projection(
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&self,
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projection: crate::ProjectionTy,
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env: Arc<TraitEnvironment>,
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) -> Ty;
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#[salsa::invoke(crate::traits::trait_solve_query)]
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#[salsa::transparent]
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fn trait_solve(
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&self,
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krate: Crate,
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block: Option<BlockId>,
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goal: crate::Canonical<crate::InEnvironment<crate::Goal>>,
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) -> NextTraitSolveResult;
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#[salsa::invoke(crate::drop::has_drop_glue)]
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#[salsa::cycle(cycle_result = crate::drop::has_drop_glue_cycle_result)]
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fn has_drop_glue(&self, ty: Ty, env: Arc<TraitEnvironment>) -> DropGlue;
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// next trait solver
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#[salsa::invoke(crate::lower_nextsolver::ty_query)]
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#[salsa::transparent]
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fn ty_ns<'db>(
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&'db self,
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def: TyDefId,
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) -> crate::next_solver::EarlyBinder<'db, crate::next_solver::Ty<'db>>;
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#[salsa::invoke(crate::lower_nextsolver::type_for_type_alias_with_diagnostics_query)]
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#[salsa::cycle(cycle_result = crate::lower_nextsolver::type_for_type_alias_with_diagnostics_cycle_result)]
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fn type_for_type_alias_with_diagnostics_ns<'db>(
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&'db self,
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def: TypeAliasId,
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) -> (crate::next_solver::EarlyBinder<'db, crate::next_solver::Ty<'db>>, Diagnostics);
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#[salsa::invoke(crate::lower_nextsolver::impl_self_ty_with_diagnostics_query)]
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#[salsa::cycle(cycle_result = crate::lower_nextsolver::impl_self_ty_with_diagnostics_cycle_result)]
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fn impl_self_ty_with_diagnostics_ns<'db>(
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&'db self,
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def: ImplId,
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) -> (crate::next_solver::EarlyBinder<'db, crate::next_solver::Ty<'db>>, Diagnostics);
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#[salsa::invoke(crate::lower_nextsolver::impl_self_ty_query)]
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#[salsa::transparent]
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fn impl_self_ty_ns<'db>(
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&'db self,
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def: ImplId,
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) -> crate::next_solver::EarlyBinder<'db, crate::next_solver::Ty<'db>>;
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// FIXME: Make this a non-interned query.
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#[salsa::invoke_interned(crate::lower_nextsolver::const_param_ty_with_diagnostics_query)]
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fn const_param_ty_with_diagnostics_ns<'db>(
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&'db self,
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def: ConstParamId,
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) -> (crate::next_solver::Ty<'db>, Diagnostics);
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#[salsa::invoke(crate::lower_nextsolver::const_param_ty_query)]
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#[salsa::transparent]
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fn const_param_ty_ns<'db>(&'db self, def: ConstParamId) -> crate::next_solver::Ty<'db>;
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#[salsa::invoke(crate::lower_nextsolver::impl_trait_with_diagnostics_query)]
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fn impl_trait_with_diagnostics_ns<'db>(
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&'db self,
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def: ImplId,
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) -> Option<(
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crate::next_solver::EarlyBinder<'db, crate::next_solver::TraitRef<'db>>,
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Diagnostics,
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)>;
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#[salsa::invoke(crate::lower_nextsolver::impl_trait_query)]
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#[salsa::transparent]
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fn impl_trait_ns<'db>(
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&'db self,
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def: ImplId,
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) -> Option<crate::next_solver::EarlyBinder<'db, crate::next_solver::TraitRef<'db>>>;
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#[salsa::invoke(crate::lower_nextsolver::field_types_with_diagnostics_query)]
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fn field_types_with_diagnostics_ns<'db>(
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&'db self,
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var: VariantId,
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) -> (
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Arc<
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ArenaMap<
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LocalFieldId,
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crate::next_solver::EarlyBinder<'db, crate::next_solver::Ty<'db>>,
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>,
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>,
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Diagnostics,
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);
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#[salsa::invoke(crate::lower_nextsolver::field_types_query)]
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#[salsa::transparent]
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fn field_types_ns<'db>(
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&'db self,
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var: VariantId,
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) -> Arc<
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ArenaMap<LocalFieldId, crate::next_solver::EarlyBinder<'db, crate::next_solver::Ty<'db>>>,
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>;
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#[salsa::invoke(crate::lower_nextsolver::callable_item_signature_query)]
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fn callable_item_signature_ns<'db>(
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&'db self,
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def: CallableDefId,
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) -> crate::next_solver::EarlyBinder<'db, crate::next_solver::PolyFnSig<'db>>;
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#[salsa::invoke(crate::lower_nextsolver::return_type_impl_traits)]
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fn return_type_impl_traits_ns<'db>(
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&'db self,
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def: FunctionId,
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) -> Option<Arc<crate::next_solver::EarlyBinder<'db, crate::lower_nextsolver::ImplTraits<'db>>>>;
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#[salsa::invoke(crate::lower_nextsolver::type_alias_impl_traits)]
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fn type_alias_impl_traits_ns<'db>(
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&'db self,
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def: TypeAliasId,
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) -> Option<Arc<crate::next_solver::EarlyBinder<'db, crate::lower_nextsolver::ImplTraits<'db>>>>;
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#[salsa::invoke(crate::lower_nextsolver::generic_predicates_for_param_query)]
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#[salsa::cycle(cycle_result = crate::lower_nextsolver::generic_predicates_for_param_cycle_result)]
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fn generic_predicates_for_param_ns<'db>(
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&'db self,
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def: GenericDefId,
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param_id: TypeOrConstParamId,
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assoc_name: Option<Name>,
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) -> crate::lower_nextsolver::GenericPredicates<'db>;
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#[salsa::invoke(crate::lower_nextsolver::generic_predicates_query)]
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fn generic_predicates_ns<'db>(
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&'db self,
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def: GenericDefId,
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) -> crate::lower_nextsolver::GenericPredicates<'db>;
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#[salsa::invoke(
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crate::lower_nextsolver::generic_predicates_without_parent_with_diagnostics_query
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)]
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fn generic_predicates_without_parent_with_diagnostics_ns<'db>(
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&'db self,
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def: GenericDefId,
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) -> (crate::lower_nextsolver::GenericPredicates<'db>, Diagnostics);
|
|
|
|
#[salsa::invoke(crate::lower_nextsolver::generic_predicates_without_parent_query)]
|
|
#[salsa::transparent]
|
|
fn generic_predicates_without_parent_ns<'db>(
|
|
&'db self,
|
|
def: GenericDefId,
|
|
) -> crate::lower_nextsolver::GenericPredicates<'db>;
|
|
}
|
|
|
|
#[test]
|
|
fn hir_database_is_dyn_compatible() {
|
|
fn _assert_dyn_compatible(_: &dyn HirDatabase) {}
|
|
}
|
|
|
|
#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
|
|
#[derive(PartialOrd, Ord)]
|
|
pub struct InternedTypeOrConstParamId {
|
|
/// This stores the param and its index.
|
|
pub loc: (TypeOrConstParamId, u32),
|
|
}
|
|
|
|
#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
|
|
#[derive(PartialOrd, Ord)]
|
|
pub struct InternedLifetimeParamId {
|
|
/// This stores the param and its index.
|
|
pub loc: (LifetimeParamId, u32),
|
|
}
|
|
|
|
#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
|
|
#[derive(PartialOrd, Ord)]
|
|
pub struct InternedConstParamId {
|
|
pub loc: ConstParamId,
|
|
}
|
|
|
|
#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
|
|
#[derive(PartialOrd, Ord)]
|
|
pub struct InternedOpaqueTyId {
|
|
pub loc: ImplTraitId,
|
|
}
|
|
|
|
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
|
|
pub struct InternedClosure(pub DefWithBodyId, pub ExprId);
|
|
|
|
#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
|
|
#[derive(PartialOrd, Ord)]
|
|
pub struct InternedClosureId {
|
|
pub loc: InternedClosure,
|
|
}
|
|
|
|
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
|
|
pub struct InternedCoroutine(pub DefWithBodyId, pub ExprId);
|
|
|
|
#[salsa_macros::interned(no_lifetime, debug, revisions = usize::MAX)]
|
|
#[derive(PartialOrd, Ord)]
|
|
pub struct InternedCoroutineId {
|
|
pub loc: InternedCoroutine,
|
|
}
|