Sample DSL.

gistfile1.rb

class Drinks
  def initialize(&block) # Initialize drinks
    @drinks = []
    instance_eval &block
  end

  def drink(d)
    @drinks << d
  end # Add drink

  def all_drinks
    puts @drinks
  end

end

add_drinks = Drinks.new do
  drink "water"
  drink "soda"
  drink "juice"
end

add_drinks.all_drinks