From: Jacques Garrigue <garrigue@math.nagoya-u.ac.jp>
To: lukstafi@gmail.com
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Records misbehaviour
Date: Wed, 14 Sep 2005 09:03:27 +0900 (JST) [thread overview]
Message-ID: <20050914.090327.07636554.garrigue@math.nagoya-u.ac.jp> (raw)
In-Reply-To: <4a708d205091316156a6e5108@mail.gmail.com>
From: Lukasz Stafiniak <lukstafi@gmail.com>
> #type t1 = {fst:int;snd:int};;
> #let p1 = {fst=1; snd=2};;
> #type t2 = {snd:int};;
> #{p1 with snd=4};;
> - : t2 = {snd = 4};;
Indeed, this is rather counter-intuitive.
So a bug report would be welcome :-)
Note however that there is no unsoundness here: the definition of
"with" happens to be "create a record with the provided fields,
extracting omitted ones from p1". If none are omitted, which is the
case here as t2 has only one field, then p1 is currently ignored.
Jacques Garrigue
next prev parent reply other threads:[~2005-09-14 0:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-13 23:15 Lukasz Stafiniak
2005-09-14 0:03 ` Jacques Garrigue [this message]
2005-09-14 8:48 ` [Caml-list] " Andreas Rossberg
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