Struct rustc::ty::GenericPredicates

pub struct GenericPredicates<'tcx> {
    pub parent: Option<DefId>,
    pub predicates: Vec<Predicate<'tcx>>,
}

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Bounds on generics.

Fields

parent: Option<DefId>

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predicates: Vec<Predicate<'tcx>>

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Methods

impl<'a, 'gcx, 'tcx> GenericPredicates<'tcx>

pub fn instantiate(
    &self,
    tcx: TyCtxt<'a, 'gcx, 'tcx>,
    substs: &Substs<'tcx>
) -> InstantiatedPredicates<'tcx>

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pub fn instantiate_own(
    &self,
    tcx: TyCtxt<'a, 'gcx, 'tcx>,
    substs: &Substs<'tcx>
) -> InstantiatedPredicates<'tcx>

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pub fn instantiate_identity(
    &self,
    tcx: TyCtxt<'a, 'gcx, 'tcx>
) -> InstantiatedPredicates<'tcx>

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pub fn instantiate_supertrait(
    &self,
    tcx: TyCtxt<'a, 'gcx, 'tcx>,
    poly_trait_ref: &PolyTraitRef<'tcx>
) -> InstantiatedPredicates<'tcx>

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Trait Implementations

impl<'tcx> HashStable<StableHashingContext<'tcx>> for GenericPredicates<'tcx>

fn hash_stable<W: StableHasherResult>(
    &self,
    __ctx: &mut StableHashingContext<'tcx>,
    __hasher: &mut StableHasher<W>
)

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impl<'tcx> TypeFoldable<'tcx> for GenericPredicates<'tcx>

fn super_fold_with<'gcx: 'tcx, V: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut V
) -> Self

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fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn fold_with<'gcx: 'tcx, F: TypeFolder<'gcx, 'tcx>>(
    &self,
    folder: &mut F
) -> Self

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fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> bool

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fn has_regions_escaping_depth(&self, depth: u32) -> bool

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fn has_escaping_regions(&self) -> bool

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fn has_type_flags(&self, flags: TypeFlags) -> bool

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fn has_projections(&self) -> bool

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fn references_error(&self) -> bool

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fn has_param_types(&self) -> bool

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fn has_self_ty(&self) -> bool

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fn has_infer_types(&self) -> bool

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fn needs_infer(&self) -> bool

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fn needs_subst(&self) -> bool

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fn has_re_skol(&self) -> bool

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fn has_closure_types(&self) -> bool

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fn has_erasable_regions(&self) -> bool

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fn is_normalized_for_trans(&self) -> bool

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fn is_global(&self) -> bool

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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Errs on the side of returning false.

impl<'tcx> Clone for GenericPredicates<'tcx>

fn clone(&self) -> GenericPredicates<'tcx>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'tcx> Default for GenericPredicates<'tcx>

fn default() -> GenericPredicates<'tcx>

Returns the "default value" for a type.

impl<'tcx> UseSpecializedEncodable for GenericPredicates<'tcx>

fn default_encode<E>(&self, &mut E) -> Result<(), <E as Encoder>::Error> where
    E: Encoder, 

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Defaults to returning an error (see SpecializationError).

impl<'tcx> UseSpecializedDecodable for GenericPredicates<'tcx>

fn default_decode<D>(&mut D) -> Result<Self, <D as Decoder>::Error> where
    D: Decoder, 

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Defaults to returning an error (see SpecializationError).

impl<'tcx> Print for GenericPredicates<'tcx>

fn print<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result

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fn print_to_string(&self, cx: &mut PrintContext) -> String

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fn print_display<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result

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fn print_display_to_string(&self, cx: &mut PrintContext) -> String

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fn print_debug<F: Write>(&self, f: &mut F, cx: &mut PrintContext) -> Result

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fn print_debug_to_string(&self, cx: &mut PrintContext) -> String

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impl<'tcx> Debug for GenericPredicates<'tcx>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.