A long time ago I gave a horrendously overkill SO answer about it. http://stackoverflow.com/questions/11400242/bit-vector-implementation-of-set-in-programming-

A long time ago I gave a horrendously overkill SO answer about it. http://stackoverflow.com/questions/11400242/bit-vector-implementation-of-set-in-programming-pearls-2nd-edition/11400933#11400933 http://stackoverflow.com/questions/11400242/bit-vector-imple...