{ "authors": [ "IanWhitney" ], "contributors": [ "AvasDream", "bitfield", "coriolinus", "cwhakes", "efx", "ErikSchierboom", "gibfahn", "idealhack", "lutostag", "mkantor", "navossoc", "nfiles", "petertseng", "rofrol", "stkent", "stringparser", "workingjubilee", "xakon", "ZapAnton" ], "files": { "solution": [ "src/lib.rs", "Cargo.toml" ], "test": [ "tests/luhn.rs" ], "example": [ ".meta/example.rs" ] }, "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" }