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proposing a simpler mechanism
R. Kent Dybvig
(13 Nov 2009 03:00 UTC)
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Re: proposing a simpler mechanism
Thomas Bushnell BSG
(13 Nov 2009 04:23 UTC)
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Re: proposing a simpler mechanism
Taylor R Campbell
(13 Nov 2009 04:31 UTC)
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Re: proposing a simpler mechanism
R. Kent Dybvig
(13 Nov 2009 16:22 UTC)
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Re: proposing a simpler mechanism
Per Bothner
(13 Nov 2009 16:56 UTC)
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Re: proposing a simpler mechanism
Thomas Bushnell BSG
(13 Nov 2009 04:54 UTC)
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Re: proposing a simpler mechanism Alex Queiroz (13 Nov 2009 13:44 UTC)
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Re: proposing a simpler mechanism
Marc Feeley
(13 Nov 2009 14:24 UTC)
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Re: proposing a simpler mechanism
Thomas Bushnell BSG
(13 Nov 2009 18:39 UTC)
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Re: proposing a simpler mechanism
Thomas Bushnell BSG
(13 Nov 2009 18:36 UTC)
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Re: proposing a simpler mechanism
Alex Queiroz
(13 Nov 2009 19:08 UTC)
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Re: proposing a simpler mechanism
Thomas Bushnell BSG
(13 Nov 2009 19:21 UTC)
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Re: proposing a simpler mechanism
David Van Horn
(13 Nov 2009 19:25 UTC)
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Re: proposing a simpler mechanism
Thomas Bushnell BSG
(13 Nov 2009 19:36 UTC)
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Re: proposing a simpler mechanism
David Van Horn
(13 Nov 2009 19:58 UTC)
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Re: proposing a simpler mechanism
Arthur A. Gleckler
(13 Nov 2009 20:25 UTC)
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Re: proposing a simpler mechanism
David Van Horn
(12 Jan 2010 18:51 UTC)
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Hallo,
On 11/13/09, Thomas Bushnell BSG <xxxxxx@becket.net> wrote:
> I'll admit that, along with Kent Dybvig, I'm no fan of arity inspection,
> for a jillion reasons. I think it's ill-conceived.
>
> But if it must happen, how about this:
>
> (procedure-arity PROC) returns two values, first, the minimum number of
> arguments, and second, whether additional arguments are permissible.
> This exactly covers the possibilities for standard Scheme. It is
> trivial to implement given any of the common facilities out there. It
> is clear and simple and easy to specify.
>
Unlike Dybvig's proposal, this allocates the multiple return
values in the heap in implementations that implement (values) as a
vector constructor.
Cheers,
--
-alex
@asandroq
http://www.ventonegro.org/