s is great!
On 7/9/19 11:26 AM, guile-user-requ...@gnu.org wrote:
> Date: Tue, 9 Jul 2019 00:00:51 +0100
> From: Chris Vine
> To: guile-user@gnu.org
> Subject: Re: Threading / Pipe Macro (Chris Vine, Mark H Weaver)
> Message-ID: <2019070951.dfaac3839126b7ec58efd...@gm
My macro is was based on the |> pipeline from f# and on the cut macro. I then
changed the syntax after seing the pipeline macro in rackjure, which is based
on clojure's macros. In the beginning I wanted to do destructuring as well to
allow to destructure lists and passed it as numbered argument
On Tue, 09 Jul 2019 11:40:02 +0200
Linus Björnstam wrote:
> Sorry, I didn't see that macro. I was referring to my macro that Erik
> linked to [1], which is a syntax rules macro that also allows for <>
> argument placeholders:
>
> (~> 1 1+ (/ 10 <>) iota (+ <...>)) => 10
>
> It defaults to left i
ays.
> > > >
> > > > To understand what is going on in the macro, I wrote a lot of explaining
> > > > comments and uploaded it in a new repository, where I intend to keep
> > > > macros I come across and explain them, if I can:
> > > >
&
plaining
> > > comments and uploaded it in a new repository, where I intend to keep
> > > macros I come across and explain them, if I can:
> > >
> > > https://gitlab.com/ZelphirKaltstahl/guile-scheme-macros/blob/master/threading-pipe-macro/macro.scm
> >
&g
ep nesting or where it seems appropriate in other ways.
> >
> > To understand what is going on in the macro, I wrote a lot of explaining
> > comments and uploaded it in a new repository, where I intend to keep
> > macros I come across and explain them, if I can:
> >
&g
priate in other ways.
>
> To understand what is going on in the macro, I wrote a lot of explaining
> comments and uploaded it in a new repository, where I intend to keep
> macros I come across and explain them, if I can:
>
> https://gitlab.com/ZelphirKaltstahl/guile-scheme-macros
Ah thanks! I did not find that before. Good to know where to look for more!
I should link to other places, where one can find macros in my repo.
On 7/8/19 2:49 AM, Erik Edrosa wrote:
> On 7/7/19 6:42 AM, Zelphir Kaltstahl wrote:
>> (1) Does something already exist?
>>
> This project was posted no
explaining
comments and uploaded it in a new repository, where I intend to keep
macros I come across and explain them, if I can:
https://gitlab.com/ZelphirKaltstahl/guile-scheme-macros/blob/master/threading-pipe-macro/macro.scm
If there are mistakes in my explanations, it would be great if you could
I am the author of that if there are any questions. It uses syntax-rules so it
should be portable to any r567rs scheme by just replacing the module
definition. In r6rs pure also by exporting the <> and <...> syntax, preferably
in a way so that both srfi-26 and threading can be used. This does no
Hello again,
Chris Vine writes:
> My version was hygienic when used in functions, but not when used as a
> macro in a macro.
Not to belabor the point, but I wanted to mention that the unhygienic
'->' macro may fail when used in procedures, even when '->' is never
used in the definition of anothe
On 7/7/19 6:42 AM, Zelphir Kaltstahl wrote:
>
> (1) Does something already exist?
>
This project was posted not too long ago on this mailing list.
https://bitbucket.org/bjoli/guile-threading-macros/src/default/
- Erik
On Sun, 07 Jul 2019 18:24:32 -0400
Mark H Weaver wrote:
> Hi Chris,
>
> Here's a complete, unedited transcript with Guile 2.2.6:
>
> --8<---cut here---start->8---
> mhw@jojen ~$ guile
> GNU Guile 2.2.6
> Copyright (C) 1995-2019 Free Software Foundation, Inc.
>
Hi Chris,
Chris Vine writes:
> My version was hygienic when used in functions, but not when used as a
> macro in a macro.
The word "hygienic" should not be used to describe your original macro.
It would be more accurate to say that although your original version was
unhygienic, in practice it wo
Hi Chris,
Here's a complete, unedited transcript with Guile 2.2.6:
--8<---cut here---start->8---
mhw@jojen ~$ guile
GNU Guile 2.2.6
Copyright (C) 1995-2019 Free Software Foundation, Inc.
Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This
On Sun, 7 Jul 2019 21:16:13 +0100
Chris Vine wrote:
> I need to think more about this and/or reproduce this later.
>
> This is with guile-2.2.6 by the way.
OK, I did set up the test of your macro incorrectly (the one using
syntax-rules): tested properly, as you say it produces
[t=global-t] in
On Sun, 07 Jul 2019 15:30:36 -0400
Mark H Weaver wrote:
> Hi Chris,
>
> Chris Vine writes:
>
> > I have a pipeline macro which sort-of mimics ML's |> pipeline operator
> > which I use a lot:
> >
> > (define-syntax ->
> > (lambda (x)
> > (syntax-case x ()
> > [(k exp0 . exps)
> >
Hi Chris,
Chris Vine writes:
> I have a pipeline macro which sort-of mimics ML's |> pipeline operator
> which I use a lot:
>
> (define-syntax ->
> (lambda (x)
> (syntax-case x ()
> [(k exp0 . exps)
>(let* ([reversed (reverse (cons (syntax->datum #'exp0)
>
On Sun, 7 Jul 2019 19:32:59 +0100
Chris Vine wrote:
[snip]
Text munge by the editor
This:
(list (loop (car rest) (cdrrest)))])
^
should be:
(list (lo
On Sun, 7 Jul 2019 12:42:03 +0200
Zelphir Kaltstahl wrote:
> Hi Guile Users!
>
> I recently looked at some online course about Elixir and saw an elegant
> use of pipes (the operator `|>` in Elixir). Then I remembered, that in
> Racket there are so called threading macros, which seem to accomplish
Hi Guile Users!
I recently looked at some online course about Elixir and saw an elegant
use of pipes (the operator `|>` in Elixir). Then I remembered, that in
Racket there are so called threading macros, which seem to accomplish
the same:
https://github.com/lexi-lambda/threading/blob/master/threa
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