Calamitous

Keybase proof

I hereby claim:

• I am calamitous on github.
• I am calamitous (https://keybase.io/calamitous) on keybase.
• I have a public key ASA43YhXQS0z9LamN5xxA_lnEUv25VNJP30eETBiKhstGgo

To claim this, I am signing this object:

Calamitous

#!/usr/bin/env ruby
gem 'minitest'
require 'minitest/autorun'

class Array
  # Provide a method to remove all nesting from arbitrarily nested arrays
  def flattener
    # For each element in the array, either:
    self.reduce([]) do |accumulator, element|
      if element.is_a?(Array)

Calamitous

The first entry is an implementation of the Luhn algorithm, a checksum commonly
used to validate credit card numbers:

https://github.com/Calamitous/Luhn-algorithm

The operation is straightforward; initialize the Luhn class with a number, and
the `valid?` instance method will return a true or a false if the checksum
checks out.

This was a small exercise to exhibit Ruby's object orientation, testability, and

Calamitous