Luhn check

With the luhn-check gem you can validate a number with the Luhn algoritme.

Installation

Version

0.0.3

Gemfile

Since that the namespace in the lib directory is different than the name of the gem. You need to require the namespace of the class defined in the lib directory.

Add this line to your application's Gemfile:

gem 'luhn-check', '~> 0.0.3', require: 'luhn'

And then execute:

$ bundle

Or install it yourself as:

$ gem install luhn-check

Usage

After the gem is installed. You can use this method to validate the number with the Luhn algoritme:

  Luhn.valid?(number)

Contributing

Pretty standard:

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request