From: Andreas Rossberg <rossberg@mpi-sws.org>
To: Create Software <createsoftware@users.sourceforge.net>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Pattern-matching on Ocaml records
Date: Mon, 2 May 2011 15:24:07 +0200 [thread overview]
Message-ID: <F73CA09F-FE10-4F7D-86C1-863BD75D22F4@mpi-sws.org> (raw)
In-Reply-To: <4DBEAE90.9050506@users.sourceforge.net>
On May 2, 2011, at 15:16, Create Software wrote:
>> Only the record field itself is mutable. Extracting only gives you
>> a value, not a reference.
>
> Sure, but how come that
> let reset {label = lbl} = lbl <- 0;;
> works fine in Caml Light and not in OCaml?
Same reason: pattern matching extracts the value. I can't tell why it
worked in Caml Light, though, since I'm not familiar enough with it.
/Andreas
next prev parent reply other threads:[~2011-05-02 13:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-02 12:32 Create Software
2011-05-02 12:44 ` Andreas Rossberg
2011-05-02 13:16 ` Create Software
2011-05-02 13:24 ` Andreas Rossberg [this message]
2011-05-02 13:33 ` Jacques Garrigue
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