Hi Jean,
You could just turn that into a syntax-case macro, use gensym to
generate the names, and insert them using with-syntax or quasisyntax.
Yes, this is what I ended up doing before I saw your other reply.
By the way, I'm rather confused as to why you deem this caching
useful. A priori,
Sorry I typed that code offhand and it had some mistakes; should be:
(use-modules (srfi srfi-9) (system foreign))
(define-syntax define-ffi-wrapper
(syntax-rules ()
((_ size
name wrap unwrap predicate
to-pointer from-pointer)
(begin
(define-record-type name
Hi Jean,
On 8/11/23 4:00 AM, Jean Abou Samra wrote:
This is a known limitation in Guile. Please read
https://www.gnu.org/software/guile/manual/html_node/Hygiene-and-the-Top_002dLevel.html
I expect that you would be able to fix your macro by using
(define binding-you-want-to-report
(let ((pri
Hi guile,
Consider this program:
(define-syntax unhygienic
(syntax-rules ()
((_ the-pair fetch)
(begin
(define the-head (car the-pair))
(define (fetch) the-head)
(unhygienic '(1) fetch1)
(unhygienic '(2) fetch2)
(fetch1)
;; => 2
It seems that the second call to u
Ludovic Courtès writes:
I found it to be a super clear and inspiring read, nicely
demystifying
this topic. Thanks!
Ludo’.
Thank you, Ludo, it's good to hear. I sometimes feel I am not
explaining things correctly at all, and it's a difficult topic.
Walter
Walter Lewis writes:
Attached is a literate org-mode file which implements an
"extensible
effects" system in Guile. Extensible effects was first
implemented in
Haskell by Oleg Kiselyov and others[1], and as far as I know has
not
been attempted in Scheme. It defines a metala
Mike Gran writes:
Thanks everyone for the amazing submissions.
So what's next?
Tomorrow, a list of all the entrants.
Then, keep your eye on planet.gnu.org (via
lcinexile.blogspot.com) where we'll blog about the entries.
And then a big wrap-up once we've made it to the end.
Please give other
Greetings, Guile,
Sincere apologies for the late entry. It's like my school days
all over again...
Attached is a literate org-mode file which implements an
"extensible effects" system in Guile. Extensible effects was
first implemented in Haskell by Oleg Kiselyov and others[1], and
as far
