{ "authors": [ "ee7" ], "files": { "solution": [ "luhn.zig" ], "test": [ "test_luhn.zig" ], "example": [ ".meta/example.zig" ] }, "blurb": "Given a number determine whether or not it is valid per the Luhn formula.", "source": "The Luhn Algorithm on Wikipedia", "source_url": "https://en.wikipedia.org/wiki/Luhn_algorithm" }