"Die Class 2: Arbitrary Symbols"

gistfile1.txt

class Die
  attr_accessor :labels

  def initialize(labels)
    unless labels.length > 0
      raise ArgumentError.new("Where's your strings?")
    end
    @labels = labels
  end

  def sides
    @labels.length
  end

  def roll
    @labels[rand(@labels.length)]
  end
end