Struct rustc_trait_selection::traits::query::normalize::QueryNormalizer

struct QueryNormalizer<'cx, 'tcx> {
    infcx: &'cx InferCtxt<'cx, 'tcx>,
    cause: &'cx ObligationCause<'tcx>,
    param_env: ParamEnv<'tcx>,
    obligations: Vec<PredicateObligation<'tcx>>,
    cache: SsoHashMap<Ty<'tcx>, Ty<'tcx>>,
    anon_depth: usize,
    universes: Vec<Option<UniverseIndex>>,
}

Fields

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

cause: &'cx ObligationCause<'tcx>

param_env: ParamEnv<'tcx>

obligations: Vec<PredicateObligation<'tcx>>

cache: SsoHashMap<Ty<'tcx>, Ty<'tcx>>

anon_depth: usize

universes: Vec<Option<UniverseIndex>>

Trait Implementations

impl<'cx, 'tcx> FallibleTypeFolder<'tcx> for QueryNormalizer<'cx, 'tcx>

type Error = NoSolution

fn tcx<'c>(&'c self) -> TyCtxt<'tcx>

fn try_fold_binder<T: TypeFoldable<'tcx>>(
    &mut self,
    t: Binder<'tcx, T>
) -> Result<Binder<'tcx, T>, Self::Error>

fn try_fold_ty(&mut self, ty: Ty<'tcx>) -> Result<Ty<'tcx>, Self::Error>

fn try_fold_const(
    &mut self,
    constant: Const<'tcx>
) -> Result<Const<'tcx>, Self::Error>

fn try_fold_mir_const(
    &mut self,
    constant: ConstantKind<'tcx>
) -> Result<ConstantKind<'tcx>, Self::Error>

fn try_fold_predicate(
    &mut self,
    p: Predicate<'tcx>
) -> Result<Predicate<'tcx>, Self::Error>

fn try_fold_region(
    &mut self,
    r: Region<'tcx>
) -> Result<Region<'tcx>, Self::Error>

fn try_fold_unevaluated(
    &mut self,
    c: Unevaluated<'tcx, Option<Promoted>>
) -> Result<Unevaluated<'tcx, Option<Promoted>>, Self::Error>

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.

Size: 224 bytes