Struct rustc_traits::type_op::AscribeUserTypeCx

struct AscribeUserTypeCx<'me, 'tcx> {
    infcx: &'me InferCtxt<'me, 'tcx>,
    param_env: ParamEnv<'tcx>,
    fulfill_cx: &'me mut dyn TraitEngine<'tcx>,
}

Fields

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

param_env: ParamEnv<'tcx>

fulfill_cx: &'me mut dyn TraitEngine<'tcx>

Implementations

impl<'me, 'tcx> AscribeUserTypeCx<'me, 'tcx>

fn normalize<T>(&mut self, value: T) -> T where
    T: TypeFoldable<'tcx>, 

fn relate<T>(
    &mut self,
    a: T,
    variance: Variance,
    b: T
) -> Result<(), NoSolution> where
    T: ToTrace<'tcx>, 

fn prove_predicate(&mut self, predicate: Predicate<'tcx>, span: Option<Span>)

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

fn subst<T>(&self, value: T, substs: &[GenericArg<'tcx>]) -> T where
    T: TypeFoldable<'tcx>, 

fn relate_mir_and_user_ty(
    &mut self,
    mir_ty: Ty<'tcx>,
    def_id: DefId,
    user_substs: UserSubsts<'tcx>,
    span: Option<Span>
) -> Result<(), NoSolution>

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: 32 bytes