From: Luc Maranget <Luc.Maranget@inria.fr>
To: dsyme@microsoft.com (Don Syme)
Cc: caml-list@inria.fr
Subject: Re: Report a missing match
Date: Fri, 10 Sep 1999 09:53:58 +0200 (MET DST) [thread overview]
Message-ID: <199909100753.JAA09416@margaux.inria.fr> (raw)
In-Reply-To: <39ADCF833E74D111A2D700805F1951EF1801418B@RED-MSG-06> from Don Syme at "Sep 9, 99 09:12:37 am"
>
>
> Hi,
>
> It would be very helpful for me if the Caml compiler could report at least
> one missing match case when it says a match is non-exhaustive. Is this
> feasible to implement fairly painlessly? When working with very large
> datatypes, e.g. 100 constructors, it's very hard to know which case has been
> missed...
>
> Thanks,
> Don
>
Hi,
Conceptually, this is not that difficult to do, since the compiler look for
non-exhautive matches by enumerating possible non-matching values.
In practice, I have to see a little and have no time for that now...
I put this on a personnal TODO list.
--Luc Maranget
prev parent reply other threads:[~1999-09-10 14:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-09-09 16:12 Don Syme
1999-09-09 22:36 ` Jean-Yves Moyen
1999-09-10 7:53 ` Luc Maranget [this message]
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