reverse_it.rb

module ReverseObject
  def reverse
    case self
    when Integer
      to_s.reverse.to_i
    when Float
      to_s.reverse.to_f
    end
  end
end

class Numeric
  include ReverseObject
end


def reverse_it(data)
  return data unless %w(String Fixnum Array).include?(data.class.to_s)
  data.reverse
end