From: Peng Zang <peng.zang@gmail.com>
To: caml-list@yquem.inria.fr
Cc: Eric Cooper <ecc@cmu.edu>
Subject: Re: [Caml-list] specifying the type of an argument with more than one #classpath
Date: Thu, 6 Mar 2008 07:02:17 -0500 [thread overview]
Message-ID: <200803060702.20569.peng.zang@gmail.com> (raw)
In-Reply-To: <20080306021630.GB14754@stratocaster.home>
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Ahhh, perfect. Caml-list at the rescue again. Thanks Eric,
Peng
On Wednesday 05 March 2008 09:16:30 pm Eric Cooper wrote:
> On Wed, Mar 05, 2008 at 08:52:06PM -0500, Peng Zang wrote:
> > # let takesomefooable_and_barable (x:#foo #bar) = x;;
> > The type constructor bar expects 0 argument(s),
> > but is here applied to 1 argument(s)
> >
> >
> > Which shows I'm clearly not syntactically expressing this correctly. I
> > checked the manual and it doesn't seem possible... How do I do this or
> > workaround it?
>
> You were very close:
>
> # let f ((x : #foo) : #bar) = x;;
> val f : (< bar : string; foo : string; .. > as 'a) -> 'a = <fun>
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prev parent reply other threads:[~2008-03-06 12:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-06 1:52 Peng Zang
2008-03-06 1:56 ` [Caml-list] " Edgar Friendly
2008-03-06 2:04 ` Peng Zang
2008-03-06 2:16 ` Eric Cooper
2008-03-06 12:02 ` Peng Zang [this message]
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