use builtin conversion protocols 3

gistfile1.txt

class Meals
  def initialize
    @breakfeast = "Cereal"
    @lunch = "Sandwich"
    @dinner = "Steamed Veggies"
  end

  def yield_meals
    yield @breakfeast
    yield @lunch
    yield @dinner
  end
end

meals = Meals.new
meals_array = []
meals.yield_meals {|ym| meals_array << ym}
puts meals_array