On Mon, 2 Feb 2004, Yaron M. Minsky wrote:

> This confuses me, because as I mentioned, michel quercia appears to have
> fixed this problem while working on Numerix.  Here's his patch:

The patch solves the problem for the nat type, not for big_int.
If you know the ordering won't be the natural one for big_int, it is ok,
but this might be confusing, and for this reason Xavier Leroy rejected a
similar patch I proposed.

If you read french:
http://caml.inria.fr/bin/caml-bugs/wish%20not%20granted?id=1445

Note the problem is only for comparison, not for hashing.

> > A solution could be to allow attaching custom generic operations to
> > non-custom blocks (for instance, by boxing values in a block with a
> > special GC tag + the custom operations; i.e.: custom blocks whose content
> > is traced by the GC). This could be implemented with custom blocks by
> > registering/unregistering global roots, but I guess the performance would
> > be bad.
>
> Is that what Michel did?

No.

-- Alain

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