farmhash64

Documentation

Overview

Package farmhash64 implements the FarmHash64 and FarmHash32 hash functions for strings.

FarmHash is a family of hash functions.

FarmHash64 is a 64-bit fingerprint hash function that produces a hash value for a given string. It is designed to be fast and provide good hash distribution but is not suitable for cryptography applications.

The FarmHash32 function is also provided, which returns a 32-bit fingerprint hash for a string.

All members of the FarmHash family were designed with heavy reliance on previous work by Jyrki Alakuijala, Austin Appleby, Bob Jenkins, and others. This is a GO port of the Fingerprint64 (farmhashna::Hash64) code from Google's FarmHash (https://github.com/google/farmhash).

This code has been ported/translated by Nicola Asuni (Tecnick.com) to GO code.

Index

• func FarmHash32(s []byte) uint32
• func FarmHash64(s []byte) uint64

Examples

• FarmHash32
• FarmHash64

Functions

func FarmHash32

func FarmHash32(s []byte) uint32

FarmHash32 returns a 32-bit fingerprint hash for a string. NOTE: This is NOT equivalent to the original Fingerprint32 function.

Example

package main

import (
	"fmt"

	fh "github.com/tecnickcom/farmhash64/go/src"
)

func main() {
	str := "Hello, World!"
	hash := fh.FarmHash32([]byte(str))
	fmt.Println(hash)

}

Output:

4101594851

func FarmHash64

func FarmHash64(s []byte) uint64

FarmHash64 returns a 64-bit fingerprint hash for a string.

Example

package main

import (
	"fmt"

	fh "github.com/tecnickcom/farmhash64/go/src"
)

func main() {
	str := "Hello, World!"
	hash := fh.FarmHash64([]byte(str))
	fmt.Println(hash)

}

Output:

11358326526432651330