pub struct RandomState { /* fields omitted */ }
RandomState is the default state for HashMap types.
A particular instance RandomState will create the same instances of Hasher, but the hashers created by two different RandomState instances are unlikely to produce the same result for the same values.
use std::collections::HashMap; use std::collections::hash_map::RandomState; let s = RandomState::new(); let mut map = HashMap::with_hasher(s); map.insert(1, 2);
impl RandomState
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fn new() -> RandomStateConstructs a new RandomState that is initialized with random keys.
use std::collections::hash_map::RandomState; let s = RandomState::new();
impl Clone for RandomState
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fn clone(&self) -> RandomStateReturns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)Performs copy-assignment from source. Read more
impl BuildHasher for RandomState
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type Hasher = DefaultHasherType of the hasher that will be created.
fn build_hasher(&self) -> DefaultHasherCreates a new hasher. Read more
impl Default for RandomState
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fn default() -> RandomStateConstructs a new RandomState.
impl Debug for RandomState
fn fmt(&self, f: &mut Formatter) -> ResultFormats the value using the given formatter.
© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/collections/hash_map/struct.RandomState.html