From: Han-Wen Nienhuys <hanwen@xs4all.nl>
Subject: Re: let-keywords?
Date: Thu, 14 Dec 2006 12:20:56 +0100 [thread overview]
Message-ID: <45813398.70208@xs4all.nl> (raw)
In-Reply-To: <87lklbo58a.fsf@zip.com.au>
Kevin Ryde escreveu:
> I checked in the text below.
>
>
>
> 5.8.3.2 let-keywords Reference
> ..............................
>
> `let-keywords' and `let-keywords*' extract values from keyword style
> argument lists, binding local variables to those values or to defaults.
>
> -- library syntax: let-keywords args allow-other-keys? (binding ...)
> body ...
> -- library syntax: let-keywords* args allow-other-keys? (binding ...)
> body ...
> ARGS is evaluated and should give a list of the form `(#:keyword1
> value1 #:keyword2 value2 ...)'. The BINDINGs are variables and
> default expressions, with the variables to be set (by name) from
> the keyword values. The BODY forms are then evaluated and the
> last is the result. An example will make the syntax clearest,
excellent!
--
Han-Wen Nienhuys - hanwen@xs4all.nl - http://www.xs4all.nl/~hanwen
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prev parent reply other threads:[~2006-12-14 11:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-11 15:37 let-keywords? Han-Wen Nienhuys
2006-12-11 23:35 ` let-keywords? Kevin Ryde
2006-12-11 23:57 ` let-keywords? Han-Wen Nienhuys
2006-12-13 21:28 ` let-keywords? Kevin Ryde
2006-12-14 11:20 ` Han-Wen Nienhuys [this message]
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