Discriminant

core::mem

Struct Discriminant 

1.21.0 · Source 
pub struct Discriminant<T>(/* private fields */);
Expand description

Opaque type representing the discriminant of an enum.

See the discriminant function in this module for more information.

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impl<T> Freeze for Discriminant<T>
where <T as DiscriminantKind>::Discriminant: Freeze,

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impl<T> Send for Discriminant<T>

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impl<T> Sync for Discriminant<T>

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impl<T> Unpin for Discriminant<T>

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.