PrimitiveEnumLayout

const_assoc

Struct PrimitiveEnumLayout 

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pub struct PrimitiveEnumLayout<Discriminant, const MAX_MAX_VARIANTS: usize> { /* private fields */ }
Expand description

Describes the layout of an enum with a #[repr(primitive_type)] attribute.

§Parameters

  • Discriminant - The underlying numerical type used to represent enum variants.
  • MAX_MAX_VARIANTS - The maximum number of variants this enum can have, equal to the greatest discriminant value among the enum’s variants plus 1.

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impl<Discriminant, const MAX_MAX_VARIANTS: usize> Freeze for PrimitiveEnumLayout<Discriminant, MAX_MAX_VARIANTS>

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impl<Discriminant, const MAX_MAX_VARIANTS: usize> RefUnwindSafe for PrimitiveEnumLayout<Discriminant, MAX_MAX_VARIANTS>
where Discriminant: RefUnwindSafe,

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impl<Discriminant, const MAX_MAX_VARIANTS: usize> Send for PrimitiveEnumLayout<Discriminant, MAX_MAX_VARIANTS>
where Discriminant: Send,

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impl<Discriminant, const MAX_MAX_VARIANTS: usize> Sync for PrimitiveEnumLayout<Discriminant, MAX_MAX_VARIANTS>
where Discriminant: Sync,

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impl<Discriminant, const MAX_MAX_VARIANTS: usize> Unpin for PrimitiveEnumLayout<Discriminant, MAX_MAX_VARIANTS>
where Discriminant: Unpin,

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impl<Discriminant, const MAX_MAX_VARIANTS: usize> UnwindSafe for PrimitiveEnumLayout<Discriminant, MAX_MAX_VARIANTS>
where Discriminant: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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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, W> HasTypeWitness<W> for T
where W: MakeTypeWitness<Arg = T>, T: ?Sized,

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const WITNESS: W = W::MAKE

A constant of the type witness
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impl<T> Identity for T
where T: ?Sized,

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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

Proof that Self is the same type as Self::Type, provides methods for casting between Self and Self::Type.
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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).
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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.