{ "blurb": "Given a number determine whether or not it is valid per the Luhn formula.", "authors": [ "soniakeys" ], "contributors": [ "alebaffa", "bitfield", "da-edra", "ekingery", "ferhatelmas", "hilary", "kytrinyx", "leenipper", "michaelorr", "petertseng", "robphoenix", "sebito91", "tehsphinx" ], "files": { "solution": [ "luhn.go" ], "test": [ "luhn_test.go" ], "example": [ ".meta/example.go" ], "editor": [ "cases_test.go" ] }, "source": "The Luhn Algorithm on Wikipedia", "source_url": "http://en.wikipedia.org/wiki/Luhn_algorithm" }