On 11/19/20 7:02 PM, Tim Meehan wrote:
I figured that I would try and do something simple-ish to see how well I
understood the FFI. I found this GTK tutorial, written in Chez Scheme:
https://github.com/jhidding/lyonesse/blob/master/gtk-tutorial/window.scm
I just tried to replace the Chez FFI c
Hello Guile Users!
I have a question about data structures.
Recently I read a file and the lines in the file would become a list in
my Guile program. The file was not super big or anything. However, I
usually try to avoid having to use `append` or `reverse`, whenever
possible, considering, that t
On 21.11.20 09:52, randomlooser wrote:
> Il giorno dom, 15/11/2020 alle 13.16 +0100, Zelphir Kaltstahl ha
> scritto:
>> Nevermind … One line below the definition in the docs it says:
>>
>> "Note that unlike other procedures in this module, eof-object? is
>> defined in the default environment. "
>>
Hello Zelphir!
Le dimanche 22 novembre 2020 à 19:48 +0100, Zelphir Kaltstahl a écrit :
> However, when I use the list in
> reverse and ever need to output the lines in the list in their
> original
> order, I would first need to `reverse` the list again.
There is a "reverse" function; you could imp
Hi divoplade!
I know there is reverse and I think I did implement it before, when
working through SICP exercises. Thanks for that implementation and input
though!
I think the point I wanted to make is rather to avoid `reverse`
completely. If I had a vector, I could simply go by index backwards or
divoplade writes:
> Hello Zelphir!
>
> Le dimanche 22 novembre 2020 à 19:48 +0100, Zelphir Kaltstahl a écrit :
>> However, when I use the list in reverse and ever need
>> to output the lines in the list in their original
>> order, I would first need to `reverse` the list again.
> There is a "rev
Le dimanche 22 novembre 2020 à 21:24 +0100, Zelphir Kaltstahl a écrit :
> If I had a vector, I could simply go by index backwards or
> forwards without adding any runtime complexity.
So, you would like to sometimes go forward, sometimes go backward? If
it is sequential, the list is what you want.
Il giorno dom, 22/11/2020 alle 19.57 +0100, Zelphir Kaltstahl ha
scritto:
> I did not find the repository of the Guile reference manual yet. Can
> anyone point me to it? Then I could perhaps add examples, notes or
> remove the "?" from the page and that phrase other stuff via pull
> request.
>
I tried to boil this question down to the most simple thing that
represented what I needed to understand. I have had luck getting C
functions that expect arguments "by value," but "by reference" has been
problematic.
The failure mode is "Segmentation Fault," so I gather that I may not be
using the
On Sunday, 22 November 2020 19:48:24 CET Zelphir Kaltstahl wrote:
> Hello Guile Users!
>
> I have a question about data structures.
>
> Recently I read a file and the lines in the file would become a list in
> my Guile program. The file was not super big or anything. However, I
> usually try to avo
There is a broken link to the "Internet Scheme Repository" on the "Learn"
page of the GNU Guile website:
https://www.gnu.org/software/guile/learn/
I didn't see a contact email on the website, but I figured that someone
here might know someone that ran the website ... if not, my apologies.
On 11/22/20 2:50 PM, Tim Meehan wrote:
I tried to boil this question down to the most simple thing that
represented what I needed to understand. I have had luck getting C
functions that expect arguments "by value," but "by reference" has been
problematic.
The failure mode is "Segmentation Fau
On 22.11.2020 19:48, Zelphir Kaltstahl wrote:
Hello Guile Users!
I have a question about data structures.
[...]
How do you approach this problem? Is it a problem at all?
First of all, be cautious about premature optimization. In many cases
it's best to just write the code the most straight
On Sun, Nov 22, 2020 at 10:43 PM Taylan Kammer
wrote:
Since your main concern seems to be appending, you could simply use a
> linked list where you keep a reference to the last cons pair (tail) of
> the list, so appending is simply a matter of a 'set-cdr!' operation on
> the tail.
>
SRFI 117, Li
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