From: Jacques Garrigue <garrigue@math.nagoya-u.ac.jp>
To: micha-1@fantasymail.de
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] native values in objects from c
Date: Tue, 29 Aug 2006 22:05:11 +0900 (JST) [thread overview]
Message-ID: <20060829.220511.27011347.garrigue@math.nagoya-u.ac.jp> (raw)
In-Reply-To: <20060829115002.108020@gmx.net>
From: "Michael Wohlwend" <micha-1@fantasymail.de>
> with that code:
>
> class x = object
> val name = "hoho"
> end;;
>
> let ho = new x in ...
>
>
> how do I access the field name form C?
>
> The docu says it should be the third field of the block, but that doesn't work for me (it has Tag 0, not 252 for strings ...)
Well, since fields start at 0, the 3rd field is number 2.
# Obj.size (Obj.repr ho);;
- : int = 3
# Obj.tag (Obj.field (Obj.repr ho) 2);;
- : int = 252
Jacques Garrigue
next prev parent reply other threads:[~2006-08-29 13:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-29 11:50 Michael Wohlwend
2006-08-29 13:05 ` Jacques Garrigue [this message]
2006-08-29 14:07 ` [Caml-list] " Michael Wohlwend
2006-08-31 6:55 ` Jacques Garrigue
2006-08-31 8:22 ` Michael Wohlwend
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