flier/rust-fasthash

use fasthash::*;

let h = city::hash64("hello world");

let h = metro::hash64_with_seed("hello world", 123);

use std::hash::{Hash, Hasher};

use fasthash::{MetroHasher, FastHasher};

fn hash<T: Hash>(t: &T) -> u64 {
    // Or use any of the `*Hasher` struct's available as aliases from
    // root or in their respective modules as Hasher32/64 and some 128.
    let mut s = MetroHasher::default();
    t.hash(&mut s);
    s.finish()
}

hash(&"hello world");

use std::collections::HashSet;

use fasthash::spooky::Hash128;

let mut set = HashSet::with_hasher(Hash128);

set.insert(2);

use std::collections::HashMap;

use fasthash::RandomState;
use fasthash::city::Hash64;

let s = RandomState::<Hash64>::new();
let mut map = HashMap::with_hasher(s);

assert_eq!(map.insert(37, "a"), None);
assert_eq!(map.is_empty(), false);

map.insert(37, "b");
assert_eq!(map.insert(37, "c"), Some("b"));
assert_eq!(map[&37], "c");