Hi,

On Thu, 9 Dec 1999, Mike Spivey wrote:

> Given the functor-based Map module in the standard library of OCaml,
> is there any way of defining polymorphic mappings, like the old module
> provided with Caml Light, that has a polymorphic interface and always
> uses the polymorphic compare function?  If not, then this seems to me
> to be a weakness in the module system.

The same problem has already occured for me, with the Set module.
A change of typing resolves the problem. You can find solutions for Set
and Map at

http://www.stud.enst.fr/~debourse/caml.html

Benoit de Boursetty.