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From: Virgile Prevosto <virgile.prevosto@m4x.org>
Cc: caml-list <caml-list@inria.fr>
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Subject: Re: [Caml-list] hook before gc major collections

Hello,

2014-10-07 10:42 GMT+02:00 Damien Pous <Damien.Pous@inria.fr>:
> I would like to, but Weak provides sets while I need maps...
> (i.e., I would be somehow happy if Weak.Make did implement Hashtbl.S
> rather than Weak.S)
>

I'm not too sure if that apply directly to your case, but you might be
interested in the ephemeron patch
https://github.com/ocaml/ocaml/pull/22, which according to the related
issue in the bts (http://caml.inria.fr/mantis/view.php?id=6353),
should be merged for 4.03 (well, the comment mention "license issues",
that are always longer to solve than expected, but let's stay
optimistic).

Best regards,
-- 
E tutto per oggi, a la prossima volta
Virgile