Struct std::collections::hash_map::DefaultHasher

[+] Show type declaration

pub struct DefaultHasher(_);

[−] Expand description

The default Hasher used by RandomState.

The internal algorithm is not specified, and so it and its hashes should not be relied upon over releases.

Methods

impl DefaultHasher

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pub fn new() -> DefaultHasher

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Creates a new DefaultHasher.

This hasher is not guaranteed to be the same as all other DefaultHasher instances, but is the same as all other DefaultHasher instances created through new or default.

Trait Implementations

impl Clone for DefaultHasher

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fn clone(&self) -> DefaultHasher

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Returns a copy of the value.

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

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Performs copy-assignment from source.

impl Debug for DefaultHasher

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fn fmt(&self, __arg_0: &mut Formatter) -> Result

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Formats the value using the given formatter.

impl Default for DefaultHasher

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fn default() -> DefaultHasher

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Creates a new DefaultHasher using new. See its documentation for more.

impl Hasher for DefaultHasher

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fn write(&mut self, msg: &[u8])

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Writes some data into this Hasher.

fn finish(&self) -> u64

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Returns the hash value for the values written so far.

fn write_u8(&mut self, i: u8)

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Writes a single u8 into this hasher.

fn write_u16(&mut self, i: u16)

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Writes a single u16 into this hasher.

fn write_u32(&mut self, i: u32)

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Writes a single u32 into this hasher.

fn write_u64(&mut self, i: u64)

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Writes a single u64 into this hasher.

fn write_u128(&mut self, i: u128)

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Writes a single u128 into this hasher.

fn write_usize(&mut self, i: usize)

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Writes a single usize into this hasher.

fn write_i8(&mut self, i: i8)

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Writes a single i8 into this hasher.

fn write_i16(&mut self, i: i16)

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Writes a single i16 into this hasher.

fn write_i32(&mut self, i: i32)

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Writes a single i32 into this hasher.

fn write_i64(&mut self, i: i64)

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Writes a single i64 into this hasher.

fn write_i128(&mut self, i: i128)

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Writes a single i128 into this hasher.

fn write_isize(&mut self, i: isize)

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Writes a single isize into this hasher.