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.

Implementations on Foreign Types§

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impl Zeroable for Ed25519SignatureOffsets

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impl Zeroable for Pubkey

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impl<T> Zeroable for [T; 2]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; 30]where T: Zeroable,

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

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impl Zeroable for __m256i

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

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

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

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

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impl<T> Zeroable for *const [T]

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impl Zeroable for ()

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

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impl Zeroable for i128

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

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

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impl Zeroable for f64

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

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

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impl<T> Zeroable for *mut [T]

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impl<T> Zeroable for [T; 25]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; 27]where T: Zeroable,

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impl Zeroable for usize

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

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impl Zeroable for i16

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impl Zeroable for bool

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impl<T> Zeroable for *mut T

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impl Zeroable for __m128i

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

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impl Zeroable for u16

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

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

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impl Zeroable for u128

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impl<T> Zeroable for [T; 13]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; 32]where T: Zeroable,

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

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impl Zeroable for __m128

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

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impl Zeroable for *mut str

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

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

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impl Zeroable for __m256

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

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impl<T> Zeroable for [T; 1]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; 3]where T: Zeroable,

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

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impl Zeroable for i8

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impl Zeroable for u64

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

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impl Zeroable for *const str

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

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

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impl Zeroable for i32

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

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

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impl Zeroable for isize

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

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

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

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impl Zeroable for i64

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impl Zeroable for f32

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impl Zeroable for u8

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

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

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impl Zeroable for u32

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

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

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impl Zeroable for PhantomPinned

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

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impl Zeroable for __m256d

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impl<T> Zeroable for [T; 12]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; 4096]where T: Zeroable,

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impl Zeroable for __m128d

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

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

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impl Zeroable for char

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impl<T> Zeroable for *const T

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

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

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

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

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

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

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

Implementors§

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impl Zeroable for CloseAccountData

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impl Zeroable for CloseAccountProof

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impl Zeroable for PubkeyValidityData

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impl Zeroable for PubkeyValidityProof

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impl Zeroable for TransferData

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impl Zeroable for TransferProof

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impl Zeroable for TransferWithFeeData

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impl Zeroable for TransferWithFeeProof

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impl Zeroable for WithdrawData

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impl Zeroable for WithdrawProof

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impl Zeroable for WithdrawWithheldTokensData

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impl Zeroable for WithdrawWithheldTokensProof

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impl Zeroable for AeCiphertext

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impl Zeroable for AggregatedValidityProof

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impl Zeroable for CompressedRistretto

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impl Zeroable for CtxtCommEqualityProof

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impl Zeroable for CtxtCtxtEqualityProof

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impl Zeroable for DecryptHandle

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impl Zeroable for ElGamalCiphertext

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impl Zeroable for ElGamalPubkey

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impl Zeroable for FeeEncryption

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impl Zeroable for FeeParameters

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impl Zeroable for FeeSigmaProof

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impl Zeroable for PedersenCommitment

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impl Zeroable for PodU16

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impl Zeroable for PodU64

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impl Zeroable for PubkeySigmaProof

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impl Zeroable for RangeProof64

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impl Zeroable for RangeProof128

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impl Zeroable for RangeProof256

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impl Zeroable for TransferAmountEncryption

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impl Zeroable for TransferPubkeys

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impl Zeroable for TransferWithFeePubkeys

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impl Zeroable for ValidityProof

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impl Zeroable for ZeroBalanceProof

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impl Zeroable for PodEdwardsPoint

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impl Zeroable for PodRistrettoPoint

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impl Zeroable for PodScalar