sp_multihash

Struct IdentityHasher

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pub struct IdentityHasher<const S: usize> { /* private fields */ }
Expand description

Identity hasher with a maximum size.

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Panics if the input is bigger than the maximum size.

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impl<const S: usize> Debug for IdentityHasher<S>

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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 S: usize> Default for IdentityHasher<S>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<const S: usize> StatefulHasher<S> for IdentityHasher<S>

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type Digest = IdentityDigest<S>

The maximum Digest size for that hasher (it is stack allocated). The Digest type to distinguish the output of different Hasher implementations.
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fn update(&mut self, input: &[u8])

Consume input and update internal state.
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fn finalize(&self) -> Self::Digest

Returns the final digest.
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fn reset(&mut self)

Reset the internal hasher state.

Auto Trait Implementations§

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impl<const S: usize> Freeze for IdentityHasher<S>

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impl<const S: usize> RefUnwindSafe for IdentityHasher<S>

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impl<const S: usize> Send for IdentityHasher<S>

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impl<const S: usize> Sync for IdentityHasher<S>

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impl<const S: usize> Unpin for IdentityHasher<S>

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impl<const S: usize> UnwindSafe for IdentityHasher<S>

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, const S: usize> Hasher<S> for T
where T: StatefulHasher<S>,

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type Digest = <T as StatefulHasher<S>>::Digest

The maximum Digest size for that hasher (it is stack allocated). The Digest type to distinguish the output of different Hasher implementations.
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fn digest(input: &[u8]) -> <T as Hasher<S>>::Digest

Hashes the given input data and returns its hash digest.
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const SIZE: usize = S

the allocated size of the digest.
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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> Same for T

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type Output = T

Should always be Self
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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.