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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next prev parent 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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