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Re: Help to TeXmacs with Guile 2
From: |
David Pirotte |
Subject: |
Re: Help to TeXmacs with Guile 2 |
Date: |
Sun, 1 Jun 2014 14:54:13 -0300 |
Hello Germán,
> (if (guile-a?)
> (define-macro (define-public-macro head . body)
> `(define-public ,(car head)
> ;; FIXME: why can't we use procedure->macro
> ;; for a non-memoizing variant?
> (procedure->memoizing-macro
> (lambda (cmd env)
> (apply (lambda ,(cdr head) ,@body) (cdr cmd)))))))
For these guile version related code, I suggest something like this:
(cond-expand
(guile-2
... ...)
(else
(define-macro (unless test . body)
`(if (not ,test) (begin ,@body)))
(export unless))))
Here is a real case example [which starts @ line 44]:
http://git.savannah.gnu.org/cgit/guile-gnome.git/tree/glib/gnome/gobject/utils.scm
Cheers,
David