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crc 1.4.0

Rust implementation of CRC(32, 64) with support of various standards
Documentation 
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extern crate crc;

mod hasher {
    use crc::{crc32, crc64};
    use std::hash::{Hash, Hasher};

    #[derive(Hash)]
    struct Person(&'static str, u8);

    #[test]
    fn checksum_hashcrc32() {
        let person = Person("John Smith", 34);
        let mut hasher = crc32::Digest::new(crc32::IEEE);
        person.hash(&mut hasher);
        assert_eq!(467823795u64, hasher.finish());
    }

    #[test]
    fn checksum_hashcrc64() {
        let person = Person("John Smith", 34);
        let mut hasher = crc64::Digest::new(crc64::ECMA);
        person.hash(&mut hasher);
        assert_eq!(3567258626315136489u64, hasher.finish());
    }

}