An implementation of the Jenkins Hash in Rust.

jenkins_hash.rs

use std::num::Wrapping;

pub fn one_time_hash<T: ToString>(k: T) -> Wrapping<u32> {
    let key = k.to_string();
    let mut hash= Wrapping(0u32);
    for c in key.chars(){
        let tmp = Wrapping(c as u32);
        hash += tmp;
        hash += hash << 10;
        hash ^= hash >> 6;
    }
    hash += hash << 3;
    hash ^= hash >> 11;
    hash += hash << 15;
    hash
}