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              # Flatten Interview Question

> "Create a function that takes an array and flattens all arrays reqursively into the array, **without using recursion**..."
              'use strict'
Flatten an array without using recursion...

flatten = (ar) ->
  result = [];
  while (ar.length)
    pop = ar.pop();

    if (typeof pop is not 'Array')
      ar = ar.concat(pop)
  return result 
example = [0,[1,[2,[3,[4,[5]]]]]]
console.log('Expect example:', example, ' to be flatten to:', 
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