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From: "Bill Schottstaedt" <bil@ccrma.Stanford.EDU>
To: Panicz Maciej Godek <godek.maciek@gmail.com>
Cc: guile-user@gnu.org
Subject: Re: progv in scheme
Date: Tue, 13 Sep 2011 12:09:28 -0700	[thread overview]
Message-ID: <20110913190704.M82579@ccrma.Stanford.EDU> (raw)
In-Reply-To: <CAMFYt2YPj4Urnr9kVY2LRk0jqtj6Ma9YL7gvtQYDOqtRrRvhyA@mail.gmail.com>

if lambda were applicable, this would work in both cases:

(define-macro (progv vars vals . body)
  `(apply (apply lambda ,vars ',body) ,vals))

> (let ((s '(one two)) (v '(1 2))) (progv s v (+ one two)))
3
> (progv '(one two) '(1 2) (+ one two))
3

(running a mystery scheme...)




  reply	other threads:[~2011-09-13 19:09 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-13 13:54 progv in scheme Panicz Maciej Godek
2011-09-13 14:25 ` Andrew Gwozdziewycz
2011-09-13 14:26   ` Andrew Gwozdziewycz
2011-09-13 16:04   ` Panicz Maciej Godek
2011-09-13 16:35     ` Andrew Gwozdziewycz
2011-09-13 17:01       ` Bill Schottstaedt
2011-09-13 17:54       ` Bill Schottstaedt
2011-09-13 17:20     ` Ludovic Courtès
2011-09-13 17:57 ` Ian Price
2011-09-13 18:48   ` Panicz Maciej Godek
2011-09-13 19:09     ` Bill Schottstaedt [this message]
2011-09-13 19:16       ` Andrew Gwozdziewycz
2011-09-15 18:11       ` Andy Wingo
2011-09-15 18:16         ` Andrew Gwozdziewycz

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