saas1hw1q7Question

module Enumerable
    def initialize(seq1, seq2)
      puts "Enumerable initialize"
      puts "seq1"
      puts seq1
      puts "seq2"
      puts seq2
      @seq1 = seq1
      @seq2 = seq2
      #return @seq1,@seq2
      #cartesion_product(seq1,seq2)
    end
    #def method_missing(seq1,seq2)
      #puts "Enumerable method_missing"
    #end
    def cartesion_product(seq_1,seq_2)
      puts "cartesion_product(seq_1,seq_2)"
      puts seq_1
      puts seq_2
      seq_1.each do |elt1|
        puts "elt1"
        puts elt1
        seq_2.each do |elt2|
          puts "elt2"
          puts elt2
          puts "yielding"
          puts elt1
          puts elt2
          yield [elt1,elt2]
        end
      end
    end
end

class CartesianProduct
  include Enumerable
  # YOUR CODE HERE
  # LOOK UP - way to represent variable # of args to method_missing()?
  def method_missing(enumObj)
    puts "method_missing() for CartesionProduct class--enumerable object"
    puts "enumObj seq1"
    puts enumObj.@seq1
    puts "enumObj seq2"
    puts enumObj.@seq2
    #puts "seq3"
    #puts seq3
    listcartProd = []
    cartCoord = cartesion_product(enumObj.@seq1,enumObj.@seq2)
    puts cartCoord
    #listcartProd.concat([x,y])

    return cartCoord
  end

end

#Example test cases:

c = CartesianProduct.new([:a,:b], [4,5])
c.each { |elt| puts elt.inspect }
# [:a, 4]
# [:a, 5]
# [:b, 4]
# [:b, 5]