Using Mix-Ins with the Abstract Method Pattern

abstract_method_pattern.rb

# The SuperPower blast_them method depends on the abstract method projectile

module Blastable
  def blast_them
    puts "BLASTING: #{projectile}  (#{self.class.name})"
  end
end

class Tyrannosaurus
  include Blastable
  def projectile
    'Laser Beams'
  end
end

class Hedgehog
  include Blastable
  def projectile
    'Sonic Boom'
  end
end

Tyrannosaurus.new.blast_them
Hedgehog.new.blast_them