A RUBY class for generating n-element combinatatorials of any m elements (indexed by [0,1,...m-1]): C(m, n)



To test, first uncomment the test block. Then run:

>ruby cmbn.rb 7 4 ==> C(7, 4)

or

>ruby cmbn.rb 7 ==> {C(7,0), C(7,1), ..., C(7,7)}