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Luhn (Mod 10)

Go docs

A fast and simple in-place implementation of the luhn check algorithm in Go. Implementations in other languages can be found at github.com/luhnmod10.

Usage

go get github.com/luhnmod10/go

_ = luhnmod10.Valid("4242424242424242")

Contributing

Contributions are welcome! If you can improve the execution time of this implementation without increasing its complexity, please open a pull request. To test your change, run make in the repository to run the tests and the benchmarks.