Method: EnumerableExtensions#cart_prod

Defined in:
lib/enumerable_extensions.rb

#cart_prod(*args) ⇒ Object 



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# File 'lib/enumerable_extensions.rb', line 2

def cart_prod( *args )
  args.inject([[]]){|old,lst|
    new = []
    lst.each{|e| new += old.map{|c| c.dup << e }}
    new
  }
end