From: Andrew <newsgroups.fr@gmail.com>
To: Jon Harrop <jon@ffconsultancy.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Comparing variant types
Date: Sat, 30 Apr 2011 18:38:08 +0200 [thread overview]
Message-ID: <4DBC3AF0.4010402@gmail.com> (raw)
In-Reply-To: <004d01cc0667$277503c0$765f0b40$@ffconsultancy.com>
On Apr. 29, 2011, Jon Harrop <jon@ffconsultancy.com> wrote:
> Andrew wrote:
>> Why not write directly
>> let dir_equal = fun d1 d2 ->
>> | Left Left
>> | Right Right
>> | Up Up
>> | Down Down
>> | No_op No_op -> true
>> | _ -> false
>
> You want to fill out your _ pattern with explicit type constructors
> otherwise it is fragile wrt new constructors being added to the type.
Oh, ok =)
> Cheers,
> Jon.
next prev parent reply other threads:[~2011-04-30 16:38 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-28 19:16 Ethan Burns
2011-04-28 21:07 ` Vincent Aravantinos
2011-04-28 22:56 ` Ethan Burns
[not found] ` <354087020.772283.1304031467793.JavaMail.root@zmbs4.inria.fr>
2011-04-29 8:46 ` Fabrice Le Fessant
2011-04-29 8:57 ` Dmitry Bely
[not found] ` <164004794.892685.1304067487325.JavaMail.root@zmbs2.inria.fr>
2011-04-29 9:33 ` luc.maranget
2011-04-29 10:54 ` Andrew
2011-04-29 11:17 ` Dmitry Bely
2011-04-29 12:15 ` Jon Harrop
2011-04-30 16:38 ` Andrew [this message]
2011-04-29 11:32 ` Dmitry Bely
2011-04-30 13:43 ` craff73
2011-04-30 19:26 ` Andrew
2011-04-30 20:19 ` Gabriel Scherer
2011-04-30 20:57 ` Yaron Minsky
[not found] <fa.FGXk5PCsQgS8TidmFkgljpqbLZo@ifi.uio.no>
2011-04-29 11:54 ` Ethan Burns
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=4DBC3AF0.4010402@gmail.com \
--to=newsgroups.fr@gmail.com \
--cc=caml-list@inria.fr \
--cc=jon@ffconsultancy.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).