11 fast hash functions for general non-cryptographic use.
Ruby
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README.md

General Purpose Hash Functions Gem

hashfunctions is a Ruby gem which implements 11 fast hash functions for general purpose non-cryptographic use implemented originally by Arash Partow. Part of this library is the native C hashfunctions-extension extension which is used if it's installed as gem.

Some example:

require "general-hash-functions"
hash = GeneralHashFunctions::djbhash("some string")
# will return the 395673328

See description of all contained functions at Arash Partow's page: http://www.partow.net/programming/hashfunctions/index.html#AvailableHashFunctions

Copyright

Copyright © 2002 Arash Partow.
Copyright © 2012 – 2015 Martin poljak.
See LICENSE.txt for further details.