typewit::const_marker

Struct Bool

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pub struct Bool<const VAL: bool>;
Expand description

Marker type for passing const VAL: bool as a type parameter.

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impl<const VAL: bool> Bool<VAL>

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pub const fn eq<const OTHER: bool>( self, _other: Bool<OTHER>, ) -> Result<TypeEq<Bool<VAL>, Bool<OTHER>>, TypeNe<Bool<VAL>, Bool<OTHER>>>

👎Deprecated since 1.8.0: superceeded by equals method

Compares self and other for equality.

Returns:

  • Ok(TypeEq): if VAL == OTHER
  • Err(TypeNe): if VAL != OTHER
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pub const fn equals<const OTHER: bool>( self, _other: Bool<OTHER>, ) -> TypeCmp<Bool<VAL>, Bool<OTHER>>

Compares self and other for equality.

Returns:

  • TypeCmp::Eq(TypeEq): if VAL == OTHER
  • TypeCmp::Ne(TypeNe): if VAL != OTHER

For getting a type witness that Bool<B> is either Bool<true> or Bool<false>, you can use BoolWit.

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impl<const VAL: bool> Clone for Bool<VAL>

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fn clone(&self) -> Bool<VAL>

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl<const VAL: bool> Debug for Bool<VAL>

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

Formats the value using the given formatter. Read more
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impl<const VAL: bool> Copy for Bool<VAL>

Auto Trait Implementations§

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impl<const VAL: bool> Freeze for Bool<VAL>

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impl<const VAL: bool> RefUnwindSafe for Bool<VAL>

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impl<const VAL: bool> Send for Bool<VAL>

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impl<const VAL: bool> Sync for Bool<VAL>

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impl<const VAL: bool> Unpin for Bool<VAL>

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impl<const VAL: bool> UnwindSafe for Bool<VAL>

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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 = 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> = const TYPE_EQ: TypeEq<Self, Self::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.