From: Radu Grigore <radugrigore@gmail.com>
To: Jacques Garrigue <garrigue@math.nagoya-u.ac.jp>
Cc: dubochet@urbanet.ch, caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Polymorphic variant typing
Date: Wed, 16 Feb 2005 12:12:22 +0200 [thread overview]
Message-ID: <7f8e92aa0502160212753b31ea@mail.gmail.com> (raw)
In-Reply-To: <20050216.154022.71085981.garrigue@math.nagoya-u.ac.jp>
On Wed, 16 Feb 2005 15:40:22 +0900 (JST), Jacques Garrigue
<garrigue@math.nagoya-u.ac.jp> wrote:
> From: Gilles Dubochet <dubochet@urbanet.ch>
> > Just to make it crystal clear for me: You say that the "main reason for
> > this choice is avoiding making rows explicit", does this mean that the
> > O'Caml team feels that row-based type information is too complicated
> > for an average user since you either steer away of hide it in an object
> > model?
>
> Basically yes. Hence the clever tricks to have types containing hidden
> row variables, like #t, [< t], [> t]. [...]
Perspective from an ocaml beginner & someone who doesn't know about
row variables (that would be me): the [> t] and [< t] notations seem
very intuitive. However, now that I know they hide something, I'd like
to know what (and I'll have to rely on google instead of the ocaml
compiler for that).
--
regards,
radu
http://rgrig.idilis.ro/
next prev parent reply other threads:[~2005-02-16 10:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-15 21:28 Gilles Dubochet
2005-02-15 22:21 ` [Caml-list] " Olivier Pérès
2005-02-15 23:15 ` Gilles Dubochet
2005-02-16 0:36 ` Jacques Garrigue
2005-02-16 1:21 ` Gilles Dubochet
2005-02-16 6:40 ` Jacques Garrigue
2005-02-16 10:12 ` Radu Grigore [this message]
2005-02-16 0:43 ` David Brown
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