From: Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>
To: warplayer@free.fr
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Mixed class / type
Date: Thu, 31 Jan 2002 08:31:25 +0900 [thread overview]
Message-ID: <20020131083125H.garrigue@kurims.kyoto-u.ac.jp> (raw)
In-Reply-To: <005901c1a9a7$b1b97b00$8f00a8c0@warp>
> I got this problem :
> - two classes called wmenu and wmenuitem, are mutaly recursive
> - one wmenuitem can be constructed either with a wmenu or with a wmenuitem
>
> so I need a type like this :
>
> type menu =
> Mainmenu of wmenu
> | Menuitem of wmenuitem
>
> So I tryied :
>
> type menu = .....
> and
> class wmenuitem : menu -> object ... end
> and
> class wmenu : object ... end
>
> But it doesn't work.
> Any clue is welcomed.
A light workaround would be
class wmenuitem : [ `Mainmenu of wmenu | `Menuitem of wmenuitem] -> ...
and wmenu : object ... end
Since polymorphic variants do not need to be defined, the problem does
not appear.
Jacques Garrigue
-------------------
Bug reports: http://caml.inria.fr/bin/caml-bugs FAQ: http://caml.inria.fr/FAQ/
To unsubscribe, mail caml-list-request@inria.fr Archives: http://caml.inria.fr
next prev parent reply other threads:[~2002-01-30 23:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-30 16:03 Warp
2002-01-30 16:52 ` Remi VANICAT
2002-01-30 23:31 ` Jacques Garrigue [this message]
2002-02-01 10:33 ` Hendrik Tews
2002-02-04 2:40 ` Jacques Garrigue
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=20020131083125H.garrigue@kurims.kyoto-u.ac.jp \
--to=garrigue@kurims.kyoto-u.ac.jp \
--cc=caml-list@inria.fr \
--cc=warplayer@free.fr \
/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).