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Re: let-keywords?

From: Han-Wen Nienhuys
Subject: Re: let-keywords?
Date: Thu, 14 Dec 2006 12:20:56 +0100
User-agent: Thunderbird (X11/20061107)

Kevin Ryde escreveu:
> I checked in the text below.
> 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,


 Han-Wen Nienhuys - address@hidden -

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