{ "authors": [ "CRivasGomez" ], "contributors": [ "masters3d", "SleeplessByte", "angelikatyborska" ], "files": { "solution": [ "luhn.ts" ], "test": [ "luhn.test.ts" ], "example": [ ".meta/proof.ci.ts" ] }, "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" }