String metrics library written in Go

 String metrics This library contains implementations of the
 Levenshtein distance, Jaro-Winkler and Soundex algorithms written
 in Go (golang).
 .
 The Wagner-Fischer algorithm for calculating the Levenshtein distance.
 .
     smetrics.Hamming("aaa", "aab") >> 1, nil
 .
     smetrics.Hamming("aaaa", "a") >> -1, error