Trait rustc_middle::ty::InferCtxtLike

pub trait InferCtxtLike: Sized {
    type Interner: Interner;

    // Required methods
    fn cx(&self) -> Self::Interner;
    fn solver_mode(&self) -> SolverMode;
    fn universe(&self) -> UniverseIndex;
    fn create_next_universe(&self) -> UniverseIndex;
    fn universe_of_ty(&self, ty: TyVid) -> Option<UniverseIndex>;
    fn universe_of_lt(&self, lt: RegionVid) -> Option<UniverseIndex>;
    fn universe_of_ct(&self, ct: ConstVid) -> Option<UniverseIndex>;
    fn root_ty_var(&self, var: TyVid) -> TyVid;
    fn root_const_var(&self, var: ConstVid) -> ConstVid;
    fn opportunistic_resolve_ty_var(
        &self,
        vid: TyVid,
    ) -> <Self::Interner as Interner>::Ty;
    fn opportunistic_resolve_int_var(
        &self,
        vid: IntVid,
    ) -> <Self::Interner as Interner>::Ty;
    fn opportunistic_resolve_float_var(
        &self,
        vid: FloatVid,
    ) -> <Self::Interner as Interner>::Ty;
    fn opportunistic_resolve_ct_var(
        &self,
        vid: ConstVid,
    ) -> <Self::Interner as Interner>::Const;
    fn opportunistic_resolve_effect_var(
        &self,
        vid: EffectVid,
    ) -> <Self::Interner as Interner>::Const;
    fn opportunistic_resolve_lt_var(
        &self,
        vid: RegionVid,
    ) -> <Self::Interner as Interner>::Region;
    fn defining_opaque_types(
        &self,
    ) -> <Self::Interner as Interner>::DefiningOpaqueTypes;
    fn next_ty_infer(&self) -> <Self::Interner as Interner>::Ty;
    fn next_const_infer(&self) -> <Self::Interner as Interner>::Const;
    fn fresh_args_for_item(
        &self,
        def_id: <Self::Interner as Interner>::DefId,
    ) -> <Self::Interner as Interner>::GenericArgs;
    fn instantiate_binder_with_infer<T>(
        &self,
        value: Binder<Self::Interner, T>,
    ) -> T
       where T: TypeFoldable<Self::Interner> + Copy;
    fn enter_forall<T, U>(
        &self,
        value: Binder<Self::Interner, T>,
        f: impl FnOnce(T) -> U,
    ) -> U
       where T: TypeFoldable<Self::Interner> + Copy;
    fn relate<T>(
        &self,
        param_env: <Self::Interner as Interner>::ParamEnv,
        lhs: T,
        variance: Variance,
        rhs: T,
    ) -> Result<Vec<Goal<Self::Interner, <Self::Interner as Interner>::Predicate>>, NoSolution>
       where T: Relate<Self::Interner>;
    fn eq_structurally_relating_aliases<T>(
        &self,
        param_env: <Self::Interner as Interner>::ParamEnv,
        lhs: T,
        rhs: T,
    ) -> Result<Vec<Goal<Self::Interner, <Self::Interner as Interner>::Predicate>>, NoSolution>
       where T: Relate<Self::Interner>;
    fn shallow_resolve(
        &self,
        ty: <Self::Interner as Interner>::Ty,
    ) -> <Self::Interner as Interner>::Ty;
    fn resolve_vars_if_possible<T>(&self, value: T) -> T
       where T: TypeFoldable<Self::Interner>;
    fn probe<T>(&self, probe: impl FnOnce() -> T) -> T;
    fn sub_regions(
        &self,
        sub: <Self::Interner as Interner>::Region,
        sup: <Self::Interner as Interner>::Region,
    );
    fn register_ty_outlives(
        &self,
        ty: <Self::Interner as Interner>::Ty,
        r: <Self::Interner as Interner>::Region,
    );
}

Required Associated Types

type Interner: Interner

Required Methods

fn cx(&self) -> Self::Interner

fn solver_mode(&self) -> SolverMode

fn universe(&self) -> UniverseIndex

fn create_next_universe(&self) -> UniverseIndex

fn universe_of_ty(&self, ty: TyVid) -> Option<UniverseIndex>

fn universe_of_lt(&self, lt: RegionVid) -> Option<UniverseIndex>

fn universe_of_ct(&self, ct: ConstVid) -> Option<UniverseIndex>

fn root_ty_var(&self, var: TyVid) -> TyVid

fn root_const_var(&self, var: ConstVid) -> ConstVid

fn opportunistic_resolve_ty_var( &self, vid: TyVid, ) -> <Self::Interner as Interner>::Ty

fn opportunistic_resolve_int_var( &self, vid: IntVid, ) -> <Self::Interner as Interner>::Ty

fn opportunistic_resolve_float_var( &self, vid: FloatVid, ) -> <Self::Interner as Interner>::Ty

fn opportunistic_resolve_ct_var( &self, vid: ConstVid, ) -> <Self::Interner as Interner>::Const

fn opportunistic_resolve_effect_var( &self, vid: EffectVid, ) -> <Self::Interner as Interner>::Const

fn opportunistic_resolve_lt_var( &self, vid: RegionVid, ) -> <Self::Interner as Interner>::Region

fn defining_opaque_types( &self, ) -> <Self::Interner as Interner>::DefiningOpaqueTypes

fn next_ty_infer(&self) -> <Self::Interner as Interner>::Ty

fn next_const_infer(&self) -> <Self::Interner as Interner>::Const

fn fresh_args_for_item( &self, def_id: <Self::Interner as Interner>::DefId, ) -> <Self::Interner as Interner>::GenericArgs

fn instantiate_binder_with_infer<T>( &self, value: Binder<Self::Interner, T>, ) -> T

where T: TypeFoldable<Self::Interner> + Copy,

fn enter_forall<T, U>( &self, value: Binder<Self::Interner, T>, f: impl FnOnce(T) -> U, ) -> U

where T: TypeFoldable<Self::Interner> + Copy,

fn relate<T>( &self, param_env: <Self::Interner as Interner>::ParamEnv, lhs: T, variance: Variance, rhs: T, ) -> Result<Vec<Goal<Self::Interner, <Self::Interner as Interner>::Predicate>>, NoSolution>

where T: Relate<Self::Interner>,

fn eq_structurally_relating_aliases<T>( &self, param_env: <Self::Interner as Interner>::ParamEnv, lhs: T, rhs: T, ) -> Result<Vec<Goal<Self::Interner, <Self::Interner as Interner>::Predicate>>, NoSolution>

where T: Relate<Self::Interner>,

fn shallow_resolve( &self, ty: <Self::Interner as Interner>::Ty, ) -> <Self::Interner as Interner>::Ty

fn resolve_vars_if_possible<T>(&self, value: T) -> T

where T: TypeFoldable<Self::Interner>,

fn probe<T>(&self, probe: impl FnOnce() -> T) -> T

fn sub_regions( &self, sub: <Self::Interner as Interner>::Region, sup: <Self::Interner as Interner>::Region, )

fn register_ty_outlives( &self, ty: <Self::Interner as Interner>::Ty, r: <Self::Interner as Interner>::Region, )

Object Safety

This trait is not object safe.

Implementors