From: Chris King <colanderman@gmail.com>
To: Jacques Garrigue <garrigue@math.nagoya-u.ac.jp>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Shallow copy of a record
Date: Sat, 22 Jan 2005 11:55:19 -0500 [thread overview]
Message-ID: <875c7e070501220855a997f7e@mail.gmail.com> (raw)
In-Reply-To: <20050122.154909.132744958.garrigue@math.nagoya-u.ac.jp>
On Sat, 22 Jan 2005 15:49:09 +0900 (JST), Jacques Garrigue
<garrigue@math.nagoya-u.ac.jp> wrote:
> This does not exist, and with good reason: there is no way in the type
> system to define a function which works on all records, but only
> records. So to do the copy you need to know at least one of the labels
> of the record, which in turn gives you its type.
Isn't it the foo in {foo with a=b} that determines the type, though?
> Another approach, which is potentially unsafe, is to use the Obj.dup
> function.
That seems like it would do the trick for now - thanks!
next prev parent reply other threads:[~2005-01-22 16:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-22 4:27 Chris King
2005-01-22 6:49 ` [Caml-list] " Jacques Garrigue
2005-01-22 16:55 ` Chris King [this message]
2005-01-22 17:55 ` Michal Moskal
2005-01-22 20:08 ` Chris King
2005-01-22 14:17 ` Kurt Welgehausen
2005-01-22 16:45 ` Chris King
[not found] ` <200501221059.28064.jon@jdh30.plus.com>
2005-01-22 17:03 ` Chris King
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