From: Andrew <newsgroups.fr@gmail.com>
To: caml-list@inria.fr
Subject: Re: [Caml-list] Comparing variant types
Date: Fri, 29 Apr 2011 12:54:16 +0200 [thread overview]
Message-ID: <4DBA98D8.5020605@gmail.com> (raw)
In-Reply-To: <20110429093355.GA25892@yquem.inria.fr>
> type dir = Left | Right | Up | Down | No_op
>
> let dir_equal d1 d2 = match d1,d2 with
> | (Left, Left)
> | (Right,Right)
> | (Up, Up)
> | (Down,Down)
> | (No_op,No_op)
> -> true
> | (Left,(Right|Up|Down|No_op))
> | (Right,(Left|Up|Down|No_op))
> | (Up,(Left|Right|Down|No_op))
> | (Down,(Left|Right|Up|No_op))
> | (No_op,(Down|Up|Right|Left))
> -> false
Why not write directly
let dir_equal = fun d1 d2 ->
| Left Left
| Right Right
| Up Up
| Down Down
| No_op No_op -> true
| _ -> false
?
next prev parent reply other threads:[~2011-04-29 10:55 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 [this message]
2011-04-29 11:17 ` Dmitry Bely
2011-04-29 12:15 ` Jon Harrop
2011-04-30 16:38 ` Andrew
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
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