FingerprintHasher

mappy_core::hash

Struct FingerprintHasher 

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pub struct FingerprintHasher { /* private fields */ }
Expand description

Fingerprint-based hasher for maplets

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impl FingerprintHasher

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pub fn new(hash_fn: HashFunction, fingerprint_bits: u32) -> Self

Create a new fingerprint hasher

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pub fn fingerprint<T: Hash>(&self, key: &T) -> u64

Calculate fingerprint for a key

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pub fn hash_key<T: Hash>(&self, key: &T) -> u64

Calculate full hash for a key

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pub const fn fingerprint_bits(&self) -> u32

Get the fingerprint size in bits

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pub const fn fingerprint_mask(&self) -> u64

Get the fingerprint mask

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pub fn optimal_fingerprint_size(false_positive_rate: f64) -> u32

Calculate the optimal fingerprint size for a given false-positive rate

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impl Clone for FingerprintHasher

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fn clone(&self) -> FingerprintHasher

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FingerprintHasher

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

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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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, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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fn into(self) -> U

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impl<T> Pointable for T

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const ALIGN: usize

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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn drop(ptr: usize)

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type Owned = T

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type Error = Infallible

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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fn vzip(self) -> V

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