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From: Neil Jerram <neil@ossau.uklinux.net>
Cc: guile-user@gnu.org
Subject: Re: values->list elements
Date: Fri, 16 Jun 2006 09:00:40 +0100	[thread overview]
Message-ID: <874pylpm1j.fsf@ossau.uklinux.net> (raw)
In-Reply-To: <449246D1.2060300@freemail.hu> (szgyg@freemail.hu's message of "Fri, 16 Jun 2006 07:51:13 +0200")

szgyg <szgyg@freemail.hu> writes:

> This isn't a new idea, but the original semantic.
>
> | (this is not a serious proposal for a language extension,
> | but only an example):
> | (1) Wherever n consecutive arguments might be written in
> |     a function call, one may instead write {f x1 ... xm}n,
> |     where n is a positive integer. The "function" f must
> |     return n values, which are used as n arguments
> |     in the function call.
> | (2) The primitive (values x1 ... xn) returns its n arguments
> |     as its n values. Thus writing "{values x1 ... xn}n" is
> |     the same as writing "x1 ... xn" as arguments in a
> |     function call.
>
> [Guy L. Steele: LAMBDA: The Ultimate Declarative, 1976, p 18-19]

Interesting!  So how come RnRS turned out not to include this?

Regards,
     Neil



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  reply	other threads:[~2006-06-16  8:00 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-13  1:19 values->list elements Jon Wilson
2006-06-13 17:20 ` szgyg
2006-06-13 19:02   ` Jonathan Wilson
2006-06-16  5:51     ` szgyg
2006-06-16  8:00       ` Neil Jerram [this message]
2006-06-16 18:15         ` szgyg
2006-06-19  0:51           ` Jon Wilson
2006-06-19  1:12             ` Per Bothner
2006-06-13 21:14   ` Neil Jerram
2006-06-13 21:17 ` Neil Jerram
2006-06-13 22:04   ` Jonathan Wilson
2006-06-13 22:24     ` Per Bothner

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