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From: David Allsopp <dra-news@metastack.com>
To: Dmitry Bely <dmitry.bely@gmail.com>, Caml List <caml-list@inria.fr>
Subject: RE: [Caml-list] GADT memory representation
Date: Thu, 1 Dec 2016 09:52:34 +0000	[thread overview]
Message-ID: <E51C5B015DBD1348A1D85763337FB6D90135555A23@Remus.metastack.local> (raw)
In-Reply-To: <CAMT7qiR5+SxKKnsRTTKBxSCfMD3Lw1dgPbPmZxZQTxGJBPaoXA@mail.gmail.com>

Dmitry Bely wrote:
> I need to access/modify GADT data from C glue code. What is their memory
> representation? Is there any difference from ordinary sum types?

It's the same - GADTs are "just" add a lot of clever typing stuff on top of a normal sum type - they don't affect the runtime operation of the code.

> Unfortunately OCaml manual doesn't even mention GADTs in section
> "Interfacing C with OCaml".

That's worth a GPR/Mantis issue.


David 


  reply	other threads:[~2016-12-01  9:52 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-12-01  9:22 Dmitry Bely
2016-12-01  9:52 ` David Allsopp [this message]
2016-12-01 10:26   ` Dmitry Bely
2016-12-01 11:51   ` Alain Frisch
2016-12-01 14:12     ` octachron
2016-12-01 14:32     ` Dmitry Bely
2016-12-01 14:50       ` Gabriel Scherer
2016-12-01 15:21     ` Josh Berdine
2016-12-03 14:50     ` David Allsopp

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