bcjordan

# Run using rspec parse_brackets.rb

# Uses array combination/permutation method from 
# http://trevoke.net/blog/2009/12/17/inter-array-permutations-in-ruby/

# Takes an array of arrays and returns permutations of them
# e.g., fancy_array_permutation[["one", "two"], ["three", "four"]]
#       returns: ["onethree", "onefour", "twothree", "twofour"]
def fancy_array_permutation array
  return array[0] if array.size == 1