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Module phantom

core_extensions

Module phantom

Available on crate feature phantom only.

Expand description

PhantomData-related items.

Structs§

AndPhantom: A pair of PhantomData<T> and T. useful for infering the type of the value from a PhantomData.
AndPhantomCov: A pair of PhantomData<fn() -> T> and T. useful for infering the type of the value from a PhantomData.
CovariantPhantomData: Contains PhantomData<fn() -> T>, required to return a PhantomData<fn() -> T> from the as_covariant_phantom const function.

Traits§

AsPhantomData: For getting a PhantomData<Self> with a variety of lifetime variances.

Functions§

as_covariant_phantom: Gets the PhantomData<fn() -> T> of the passed in T.
as_phantom: Gets the PhantomData of the passed in type.

Type Aliases§

ContraVariantPhantom: Type alias for a contravariant PhantomData, without drop check.
CovariantPhantom: Type alias for a variant PhantomData, without drop check.
InvariantPhantom: Type alias for an invariant PhantomData.
InvariantRefPhantom: Type alias for an PhantomData with an invariant lifetime.
VariantDropPhantom: Type alias for a variant PhantomData with drop check.