Trait bytemuck::Zeroable

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pub unsafe trait Zeroable: Sized {
    // Provided method
    fn zeroed() -> Self { ... }
}
Expand description

Trait for types that can be safely created with zeroed.

An all-zeroes value may or may not be the same value as the Default value of the type.

§Safety

  • Your type must be inhabited (eg: no Infallible).
  • Your type must be allowed to be an “all zeroes” bit pattern (eg: no NonNull<T>).

§Features

Some impls are feature gated due to the MSRV policy:

  • MaybeUninit<T> was not available in 1.34.0, but is available under the zeroable_maybe_uninit feature flag.
  • Atomic* types require Rust 1.60.0 or later to work on certain platforms, but is available under the zeroable_atomics feature flag.
  • [T; N] for arbitrary N requires the min_const_generics feature flag.

Provided Methods§

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fn zeroed() -> Self

Calls zeroed.

This is a trait method so that you can write MyType::zeroed() in your code. It is a contract of this trait that if you implement it on your type you must not override this method.

Object Safety§

This trait is not object safe.

Implementations on Foreign Types§

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impl Zeroable for bool

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impl Zeroable for char

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impl Zeroable for f32

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impl Zeroable for f64

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impl Zeroable for i8

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impl Zeroable for i16

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impl Zeroable for i32

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impl Zeroable for i64

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impl Zeroable for i128

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impl Zeroable for isize

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impl Zeroable for *const str

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impl Zeroable for *mut str

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impl Zeroable for u8

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impl Zeroable for u16

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impl Zeroable for u32

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impl Zeroable for u64

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impl Zeroable for u128

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impl Zeroable for ()

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impl Zeroable for usize

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impl Zeroable for __m128

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impl Zeroable for __m128d

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impl Zeroable for __m128i

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impl Zeroable for __m256

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impl Zeroable for __m256d

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impl Zeroable for __m256i

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impl Zeroable for PhantomPinned

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impl<A: Zeroable> Zeroable for (A,)

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impl<A: Zeroable, B: Zeroable> Zeroable for (A, B)

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impl<A: Zeroable, B: Zeroable, C: Zeroable> Zeroable for (A, B, C)

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impl<A: Zeroable, B: Zeroable, C: Zeroable, D: Zeroable> Zeroable for (A, B, C, D)

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impl<A: Zeroable, B: Zeroable, C: Zeroable, D: Zeroable, E: Zeroable> Zeroable for (A, B, C, D, E)

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impl<A: Zeroable, B: Zeroable, C: Zeroable, D: Zeroable, E: Zeroable, F: Zeroable> Zeroable for (A, B, C, D, E, F)

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impl<A: Zeroable, B: Zeroable, C: Zeroable, D: Zeroable, E: Zeroable, F: Zeroable, G: Zeroable> Zeroable for (A, B, C, D, E, F, G)

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impl<A: Zeroable, B: Zeroable, C: Zeroable, D: Zeroable, E: Zeroable, F: Zeroable, G: Zeroable, H: Zeroable> Zeroable for (A, B, C, D, E, F, G, H)

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impl<T> Zeroable for [T; 0]
where T: Zeroable,

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impl<T> Zeroable for [T; 1]
where T: Zeroable,

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impl<T> Zeroable for [T; 2]
where T: Zeroable,

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impl<T> Zeroable for [T; 3]
where T: Zeroable,

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impl<T> Zeroable for [T; 4]
where T: Zeroable,

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impl<T> Zeroable for [T; 5]
where T: Zeroable,

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impl<T> Zeroable for [T; 6]
where T: Zeroable,

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impl<T> Zeroable for [T; 7]
where T: Zeroable,

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impl<T> Zeroable for [T; 8]
where T: Zeroable,

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impl<T> Zeroable for [T; 9]
where T: Zeroable,

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impl<T> Zeroable for [T; 10]
where T: Zeroable,

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impl<T> Zeroable for [T; 11]
where T: Zeroable,

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impl<T> Zeroable for [T; 12]
where T: Zeroable,

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impl<T> Zeroable for [T; 13]
where T: Zeroable,

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impl<T> Zeroable for [T; 14]
where T: Zeroable,

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impl<T> Zeroable for [T; 15]
where T: Zeroable,

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impl<T> Zeroable for [T; 16]
where T: Zeroable,

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impl<T> Zeroable for [T; 17]
where T: Zeroable,

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impl<T> Zeroable for [T; 18]
where T: Zeroable,

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impl<T> Zeroable for [T; 19]
where T: Zeroable,

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impl<T> Zeroable for [T; 20]
where T: Zeroable,

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impl<T> Zeroable for [T; 21]
where T: Zeroable,

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impl<T> Zeroable for [T; 22]
where T: Zeroable,

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impl<T> Zeroable for [T; 23]
where T: Zeroable,

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impl<T> Zeroable for [T; 24]
where T: Zeroable,

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impl<T> Zeroable for [T; 25]
where T: Zeroable,

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impl<T> Zeroable for [T; 26]
where T: Zeroable,

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impl<T> Zeroable for [T; 27]
where T: Zeroable,

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impl<T> Zeroable for [T; 28]
where T: Zeroable,

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impl<T> Zeroable for [T; 29]
where T: Zeroable,

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impl<T> Zeroable for [T; 30]
where T: Zeroable,

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impl<T> Zeroable for [T; 31]
where T: Zeroable,

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impl<T> Zeroable for [T; 32]
where T: Zeroable,

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impl<T> Zeroable for [T; 48]
where T: Zeroable,

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impl<T> Zeroable for [T; 64]
where T: Zeroable,

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impl<T> Zeroable for [T; 96]
where T: Zeroable,

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impl<T> Zeroable for [T; 128]
where T: Zeroable,

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impl<T> Zeroable for [T; 256]
where T: Zeroable,

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impl<T> Zeroable for [T; 512]
where T: Zeroable,

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impl<T> Zeroable for [T; 1024]
where T: Zeroable,

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impl<T> Zeroable for [T; 2048]
where T: Zeroable,

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impl<T> Zeroable for [T; 4096]
where T: Zeroable,

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impl<T> Zeroable for *const [T]

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impl<T> Zeroable for *const T

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impl<T> Zeroable for *mut [T]

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impl<T> Zeroable for *mut T

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impl<T: Zeroable> Zeroable for Cell<T>

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impl<T: Zeroable> Zeroable for UnsafeCell<T>

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impl<T: Zeroable> Zeroable for Reverse<T>

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impl<T: Zeroable> Zeroable for ManuallyDrop<T>

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impl<T: Zeroable> Zeroable for Wrapping<T>

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impl<T: ZeroableInOption> Zeroable for Option<T>

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impl<T: ?Sized> Zeroable for PhantomData<T>

Implementors§