From: Alessandro Baretta <alex@baretta.com>
To: Ville-Pertti Keinonen <will@exomi.com>, Ocaml <caml-list@inria.fr>
Subject: Re: [Caml-list] Typing problem with polymorphic variants
Date: Tue, 01 Apr 2003 19:56:52 +0200 [thread overview]
Message-ID: <3E89D2E4.4030902@baretta.com> (raw)
In-Reply-To: <2D6F217A-6471-11D7-848D-000393863F70@exomi.com>
Ville-Pertti Keinonen wrote:
>
> On Tuesday, Apr 1, 2003, at 20:34 Europe/Helsinki, Alessandro Baretta
> wrote:
>
>> This just baffles me.
>>
>> > Values do not match:
>> > val feature :
>> > [> `Clear | `Length of int | `Pitch of int
>> > | `Width of 'a] -> string
>> > is not included in
>> > val feature : [> `Clear] -> string
>
>
> Consider what would happen if you tried to pass a `Length of float,
> which is acceptable according to the latter signature.
>
>
Thank you very much.
This is actually a meaningful comment. I wonder if there is
any sensible way to do what I'm trying to do.
I'll think it over.
Alex
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next prev parent reply other threads:[~2003-04-01 18:51 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-01 17:34 Alessandro Baretta
2003-04-01 18:38 ` Ville-Pertti Keinonen
2003-04-01 17:56 ` Alessandro Baretta [this message]
2003-04-01 18:44 ` David Brown
2003-04-02 1:34 ` Jacques Garrigue
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