From: Jeremy Yallop <jeremy.yallop@ed.ac.uk>
To: Dario Teixeira <darioteixeira@yahoo.com>
Cc: Wolfgang Lux <wlux@uni-muenster.de>, caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Troublesome nodes
Date: Sat, 12 Jul 2008 19:27:43 +0100 [thread overview]
Message-ID: <4878F79F.30604@ed.ac.uk> (raw)
In-Reply-To: <761520.40658.qm@web54603.mail.re2.yahoo.com>
Dario Teixeira wrote:
> and convert_super_node node = match node with
> | #nonlink_node_t -> (convert_nonlink_node node :> super_node_t)
> | #link_node_t -> (convert_link_node node :> super_node_t)
You need to rebind the matched value within the pattern in order to
refine the type on the rhs:
and convert_super_node node = match node with
| #nonlink_node_t as node -> (convert_nonlink_node node :> super_node_t)
| #link_node_t as node -> (convert_link_node node :> super_node_t)
Jeremy.
next prev parent reply other threads:[~2008-07-12 18:27 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-11 20:39 Dario Teixeira
2008-07-11 21:20 ` [Caml-list] " Jeremy Yallop
2008-07-12 12:37 ` Dario Teixeira
2008-07-12 13:25 ` Jacques Carette
2008-07-12 16:44 ` Wolfgang Lux
2008-07-12 18:21 ` Dario Teixeira
2008-07-12 18:27 ` Jeremy Yallop [this message]
2008-07-12 18:58 ` Jacques Carette
2008-07-11 23:11 ` Zheng Li
2008-07-13 14:32 ` [Caml-list] " Dario Teixeira
2008-07-13 17:39 ` Dario Teixeira
2008-07-13 21:10 ` Jon Harrop
2008-07-14 15:11 ` Dario Teixeira
2008-07-14 18:52 ` Dario Teixeira
2008-07-14 19:37 ` Jeremy Yallop
2008-07-16 21:22 ` Dario Teixeira
2008-07-17 0:43 ` Jacques Garrigue
2008-07-17 10:59 ` Jeremy Yallop
2008-07-18 2:34 ` Jacques Garrigue
2008-07-18 9:47 ` Jeremy Yallop
2008-07-18 13:02 ` Jacques Garrigue
2008-07-18 13:55 ` Jacques Garrigue
2008-07-19 2:15 ` Jacques Garrigue
2008-07-17 16:12 ` Dario Teixeira
2008-07-18 2:27 ` Jacques Garrigue
2008-07-18 13:09 ` Dario Teixeira
2008-07-18 17:36 ` Dario Teixeira
2008-07-19 2:23 ` Jacques Garrigue
2008-07-19 8:43 ` Dario Teixeira
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