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Date: Sat, 18 Jan 2014 02:22:48 +0000
Message-ID: <CAAxsn=HWEd-rnqYbUobjcSMF6xn8farz76bfKd84uEzCpSqJOw@mail.gmail.com>
From: Jeremy Yallop <yallop@gmail.com>
To: Jon Harrop <jon@ffconsultancy.com>
Cc: Jacques Garrigue <garrigue@math.nagoya-u.ac.jp>, OCaML List Mailing <caml-list@inria.fr>
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Subject: Re: [Caml-list] ocaml considered dangerous

Jacques Garrigue wrote:
>> By the way, there is now an implementation of Printf that avoids most of=
 the Obj.magic by using GADTs. It should be merged soon.

Jon Harrop <jon@ffconsultancy.com> wrote:
> Just curious: is that a drop-in replacement?

Yes, except for some tiny incompatibilities, mostly fixes for bugs
that the development of the GADT version uncovered in the original
implementation.  The patch is here, along with a description and some
discussion:

   http://caml.inria.fr/mantis/view.php?id=3D6017

The author, Beno=C3=AEt Vaugon, presented the design along with some
performance figures at OCaml 2013:

   http://ocaml.org/meetings/ocaml/2013/proposals/formats-as-gadts.pdf
   http://ocaml.org/meetings/ocaml/2013/slides/vaugon.pdf