]> Fred Smith a écrit 2.2K le Fri, Nov 07, 2003 at 10:27:25AM -0500: # # I guess what you're looking for are sorted arrays: # 1) O(log n) lookup and insertion via binary search # 2) O(n) union and intersection are simple # 3) Equal sets are represented by structurally equivalent objects. # # -Fred Hmm, except that, if I'm not wrong, it was required the structure to hold any kind of object. Sorted arrays require the elements to be sortable. Using the hash of the objects may be an answer ? sL ------------------- To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/ Beginner's list: http://groups.yahoo.com/group/ocaml_beginners