]> > > Map depends on keys to be ordered. This in turn requires to allow for a > > user-defined order: assume sets as keys that are implemented by > > unordered lists. Different lists can represent the same set. Hence, it > > must be possible to provide a user-defined order that would treat those > > lists as equal. The functor argument of Map contains the compare() which > > does just that. > > The order function could just as easily be passed as a parameter to all > functions working on the map. There is no reason not to have a > polymorphic version of the Map module in the standard library. Am I > wrong in believing that someone out there wrote such a module already? > > Alex There is one : module PMap , which is part of the ExtLib CVS : http://sourceforge.net/projects/ocaml-lib Since it's been added recently, there is no mli yet. Nicolas Cannasse ------------------- 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