Struct rustc_mir::borrow_check::type_check::constraint_conversion::ConstraintConversion

pub(crate) struct ConstraintConversion<'a, 'tcx> {
    infcx: &'a InferCtxt<'a, 'tcx>,
    tcx: TyCtxt<'tcx>,
    universal_regions: &'a UniversalRegions<'tcx>,
    region_bound_pairs: &'a RegionBoundPairs<'tcx>,
    implicit_region_bound: Option<Region<'tcx>>,
    param_env: ParamEnv<'tcx>,
    locations: Locations,
    category: ConstraintCategory,
    constraints: &'a mut MirTypeckRegionConstraints<'tcx>,
}

Fields

infcx: &'a InferCtxt<'a, 'tcx>

tcx: TyCtxt<'tcx>

universal_regions: &'a UniversalRegions<'tcx>

region_bound_pairs: &'a RegionBoundPairs<'tcx>

implicit_region_bound: Option<Region<'tcx>>

param_env: ParamEnv<'tcx>

locations: Locations

category: ConstraintCategory

constraints: &'a mut MirTypeckRegionConstraints<'tcx>

Implementations

impl<'a, 'tcx> ConstraintConversion<'a, 'tcx>

pub(crate) fn new(
    infcx: &'a InferCtxt<'a, 'tcx>,
    universal_regions: &'a UniversalRegions<'tcx>,
    region_bound_pairs: &'a RegionBoundPairs<'tcx>,
    implicit_region_bound: Option<Region<'tcx>>,
    param_env: ParamEnv<'tcx>,
    locations: Locations,
    category: ConstraintCategory,
    constraints: &'a mut MirTypeckRegionConstraints<'tcx>
) -> Self

pub(in borrow_check::type_check) fn convert_all(
    &mut self,
    query_constraints: &QueryRegionConstraints<'tcx>
)

pub(in borrow_check::type_check) fn convert(
    &mut self,
    query_constraint: &QueryOutlivesConstraint<'tcx>
)

pub(in borrow_check::type_check::constraint_conversion) fn verify_to_type_test(
    &mut self,
    generic_kind: GenericKind<'tcx>,
    region: Region<'tcx>,
    verify_bound: VerifyBound<'tcx>
) -> TypeTest<'tcx>

pub(in borrow_check::type_check::constraint_conversion) fn to_region_vid(
    &mut self,
    r: Region<'tcx>
) -> RegionVid

pub(in borrow_check::type_check::constraint_conversion) fn add_outlives(
    &mut self,
    sup: RegionVid,
    sub: RegionVid
)

pub(in borrow_check::type_check::constraint_conversion) fn add_type_test(
    &mut self,
    type_test: TypeTest<'tcx>
)

Trait Implementations

impl<'a, 'b, 'tcx> TypeOutlivesDelegate<'tcx> for &'a mut ConstraintConversion<'b, 'tcx>

pub fn push_sub_region_constraint(
    &mut self,
    _origin: SubregionOrigin<'tcx>,
    a: Region<'tcx>,
    b: Region<'tcx>
)

pub fn push_verify(
    &mut self,
    _origin: SubregionOrigin<'tcx>,
    kind: GenericKind<'tcx>,
    a: Region<'tcx>,
    bound: VerifyBound<'tcx>
)