pub struct CityHash32Hasher { /* private fields */ }
Expand description

32-bits CityHash hasher

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impl CityHash32Hasher

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pub fn with_seed(seed: u32) -> CityHash32Hasher

Create a new CityHash32Hasher initiated with a hash key

Trait Implementations§

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impl BuildHasher for CityHash32Hasher

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fn build_hasher(&self) -> Self::Hasher

Creates a new CityHash32Hasher.

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type Hasher = CityHash32Hasher

Type of the hasher that will be created.
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fn hash_one<T>(&self, x: T) -> u64where T: Hash, Self: Sized, Self::Hasher: Hasher,

🔬This is a nightly-only experimental API. (build_hasher_simple_hash_one)
Calculates the hash of a single value. Read more
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impl Debug for CityHash32Hasher

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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 Default for CityHash32Hasher

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fn default() -> CityHash32Hasher

Returns the “default value” for a type. Read more
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impl Hasher for CityHash32Hasher

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fn finish(&self) -> u64

Returns the hash value for the values written so far.

Example
use cityhash_sys::CityHash32Hasher;
use core::hash::Hasher;

let hasher = CityHash32Hasher::with_seed(0xB4BFA9E);
assert_eq!(hasher.finish(), 0xB4BFA9E);
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fn write(&mut self, bytes: &[u8])

Writes some data into the CityHash32Hasher.

Example
use cityhash_sys::CityHash32Hasher;
use core::hash::Hasher;

let mut hasher = CityHash32Hasher::default();
hasher.write(b"hash me!");
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fn write_u8(&mut self, i: u8)

Writes a single u8 into this hasher.
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fn write_u16(&mut self, i: u16)

Writes a single u16 into this hasher.
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fn write_u32(&mut self, i: u32)

Writes a single u32 into this hasher.
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fn write_u64(&mut self, i: u64)

Writes a single u64 into this hasher.
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fn write_u128(&mut self, i: u128)

Writes a single u128 into this hasher.
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fn write_usize(&mut self, i: usize)

Writes a single usize into this hasher.
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fn write_i8(&mut self, i: i8)

Writes a single i8 into this hasher.
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fn write_i16(&mut self, i: i16)

Writes a single i16 into this hasher.
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fn write_i32(&mut self, i: i32)

Writes a single i32 into this hasher.
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fn write_i64(&mut self, i: i64)

Writes a single i64 into this hasher.
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fn write_i128(&mut self, i: i128)

Writes a single i128 into this hasher.
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fn write_isize(&mut self, i: isize)

Writes a single isize into this hasher.
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fn write_length_prefix(&mut self, len: usize)

🔬This is a nightly-only experimental API. (hasher_prefixfree_extras)
Writes a length prefix into this hasher, as part of being prefix-free. Read more
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fn write_str(&mut self, s: &str)

🔬This is a nightly-only experimental API. (hasher_prefixfree_extras)
Writes a single str into this hasher. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

const: unstable · source§

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

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

const: unstable · source§

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 Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

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 Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.