caml-list - the Caml user's mailing list
 help / color / mirror / Atom feed
From: Alain Frisch <alain@frisch.fr>
To: Jeremy Yallop <yallop@gmail.com>
Cc: Dmitri Boulytchev <dboulytchev@gmail.com>,
	 caml-list <caml-list@inria.fr>
Subject: Re: [Caml-list] Confusing behaviour of type inference for polymorphic classes.
Date: Tue, 03 Dec 2013 13:33:14 +0100	[thread overview]
Message-ID: <529DCF8A.2040308@frisch.fr> (raw)
In-Reply-To: <CAAxsn=H94K0Cshn4qg1iFpnknSm4Bi1hk1UiCwcU5mEjCJt2_A@mail.gmail.com>

On 12/03/2013 11:17 AM, Jeremy Yallop wrote:
> Using recursive modules certainly makes it possible to write a class
> with the correct type, but unless I'm mistaken you lose the ability to
> override the behaviour on recursive calls -- i.e. the call to (new
> X.m)#t can no longer be replaced with a call through a self variable.

The instance on which the method is called cannot be "self", since it 
corresponds to different type parameters for the class.  I don't know 
what Dmitri is exactly looking for, but maybe a polymorphic method 
(instead of a parametrized class) would do the job as well.

-- Alain


  reply	other threads:[~2013-12-03 12:33 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-01 21:33 Dmitri Boulytchev
2013-12-02 14:41 ` Goswin von Brederlow
2013-12-02 15:05   ` Dmitri Boulytchev
2013-12-05 15:13     ` Goswin von Brederlow
2013-12-02 15:24 ` Jeremy Yallop
2013-12-03  8:35   ` Alain Frisch
2013-12-03 10:17     ` Jeremy Yallop
2013-12-03 12:33       ` Alain Frisch [this message]
2013-12-03 12:58         ` Jeremy Yallop
2013-12-03 17:49           ` Dmitri Boulytchev
2013-12-08  1:15             ` Jeremy Yallop
2013-12-09 13:48               ` Dmitri Boulytchev

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=529DCF8A.2040308@frisch.fr \
    --to=alain@frisch.fr \
    --cc=caml-list@inria.fr \
    --cc=dboulytchev@gmail.com \
    --cc=yallop@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).