From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by yquem.inria.fr (Postfix) with ESMTP id EE8ACBBAF for ; Tue, 10 Jun 2008 04:32:24 +0200 (CEST) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AosBAJB0TUjQccgFcGdsb2JhbACBW5A0AQoHAgYFE51+ X-IronPort-AV: E=Sophos;i="4.27,615,1204498800"; d="scan'208";a="13520705" Received: from discorde.inria.fr ([192.93.2.38]) by mail1-smtp-roc.national.inria.fr with ESMTP; 10 Jun 2008 04:32:24 +0200 Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by discorde.inria.fr (8.13.6/8.13.6) with ESMTP id m5A2WOib001356 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Tue, 10 Jun 2008 04:32:24 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: AosBAJB0TUjQccgFcGdsb2JhbACBW5A0AQoHAgYFE51+ X-IronPort-AV: E=Sophos;i="4.27,615,1204498800"; d="scan'208";a="13520703" Received: from lax-green-bigip-5.dreamhost.com (HELO looneymail-a2.g.dreamhost.com) ([208.113.200.5]) by mail1-smtp-roc.national.inria.fr with ESMTP; 10 Jun 2008 04:32:23 +0200 Received: from Smokejumper-MBP.local (static-64-246-146-251.albyny.csvoip.net [64.246.146.251]) by looneymail-a2.g.dreamhost.com (Postfix) with ESMTP id 5463A16EFA6 for ; Mon, 9 Jun 2008 19:32:22 -0700 (PDT) Message-ID: <484DE7B5.6080403@fischerventure.com> Date: Mon, 09 Jun 2008 21:32:21 -0500 From: Robert Fischer User-Agent: Thunderbird 2.0.0.14 (Macintosh/20080421) MIME-Version: 1.0 To: caml-list@inria.fr Subject: Re: [Caml-list] Variant type with 'a type? References: <484DE703.50503@smokejumperit.com> In-Reply-To: <484DE703.50503@smokejumperit.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Miltered: at discorde with ID 484DE7B8.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; exn:01 exn:01 beginner's:01 ocaml:01 bug:01 unbound:01 beginners:01 wrote:01 exception:01 exception:01 caml-list:01 caml-list:01 bin:01 variant:02 variant:02 Figured it out -- "type 'a maybe = Result of 'a | Exception of exn" Putting the tick-a before the "maybe" was nonintuitive to me. ~~ Robert. Robert Fischer wrote: > Is it possible to do a variant type along the lines of "type try = Result of 'a | Exception of exn"? > When I try that, I get an error saying "Unbound type parameter 'a". > > ~~ Robert. > > _______________________________________________ > Caml-list mailing list. Subscription management: > http://yquem.inria.fr/cgi-bin/mailman/listinfo/caml-list > Archives: http://caml.inria.fr > Beginner's list: http://groups.yahoo.com/group/ocaml_beginners > Bug reports: http://caml.inria.fr/bin/caml-bugs >