From: Alain.Frisch@ens.fr
To: Andreas Rossberg <rossberg@ps.uni-sb.de>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Constructors as functions and tuples in constructors
Date: Wed, 8 Oct 2003 20:28:15 +0200 (MET DST) [thread overview]
Message-ID: <Pine.SOL.4.44.0310082023370.10700-100000@clipper.ens.fr> (raw)
In-Reply-To: <3F843C6E.8060407@ps.uni-sb.de>
On Wed, 8 Oct 2003, Andreas Rossberg wrote:
> That is not true. It would be quite trivial for the compiler to translate
>
> A z -> e
>
> into the equivalent of
>
> A(z1,z2) -> let z = (z1,z2) in e
Maybe:
A _ as z -> e
would be enough (well, not for typechecking, of course) and avoid an extra
allocation. The idea is that any piece of code working on a pair (z1,z2)
can also work on A(z1,z2) since the runtime repsentation is the same,
except the tag which is not used.
-- Alain
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next prev parent reply other threads:[~2003-10-08 18:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-10-08 15:57 Serge
2003-10-08 16:07 ` Dan Grossman
2003-10-08 16:33 ` Andreas Rossberg
2003-10-08 17:05 ` Dan Grossman
2003-10-09 12:40 ` Andreas Rossberg
2003-10-08 18:28 ` Alain.Frisch [this message]
2003-10-08 18:44 ` Marcin 'Qrczak' Kowalczyk
2003-10-08 16:13 ` Michal Moskal
2003-10-08 16:25 ` Nicolas Cannasse
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