Practical Chicken Scheme with Emacs: hello-world webserver

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Make a simple hello-world webserver using Chicken Scheme. This screencast shows how you can go about this, with many of the practicalities of using a REPL in Emacs, Chicken Scheme threads and a webserver API.
The main focus is on workflow: The interpreter is started, and you build up your program incrementally as it's running. When you're done, you save, compile and "deploy".
Content:
- REPL basics: send code surrounding the cursor to an interpreter
- Spawning and terminating srfi-18 threads interactively
- Webserver API: spiffy
- Compiling your result
Some links:
Chicken Scheme: call-cc.org/
Chicken API docs: api.call-cc.org...
Emacs Paredit: www.emacswiki....
Talk to us on IRC in #chicken on Freenode!
"Errata":
- 7:30: No! They called "green threads", not "cooperating threads". Sorry about the confusion.

Опубликовано:

18 сен 2024

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Комментарии : 29

@sbef 2 года назад

Great demo of both Scheme, Emacs and Paredit. It's certainly piqued my curiosity to dive into this world. Thanks.

@kristianlm 2 года назад

Thanks! I'm glad I managed to create a spark! I hope you will learn to enjoy the strange Lisp ecosystem.

@raretapes8057 Год назад

Would absolutely love to see some more videos like this. I've picked up so many movement tips just from this video. Thank you.

@kristianlm Год назад

Thanks! When I decided to learn Emacs, I set out to learn and use one new keystroke combo each day. It slows you down a lot of course but I would say it has paid off in the end. Some can even be used inside your standard terminal (eg C-a, C-e, C-n, C-p). I never managed to do the same with Dvorak/Colemak which I also wanted to learn.

@nbme-answers 9 месяцев назад

Incredible! So sad to see only 1 other video on this channel 😭

@denisfuenzalida3746 6 лет назад

Thanks a lot for taking the time to create this video. I was curious about Chicken, now I think I'll try it myself for a small project.

@kristianlm 6 лет назад

Denis Fuenzalida thanks! CHICKEN has a great community thats always eager to help newcomers! Feel free to stick around on #chicken on IRC (I go by klm`)

@andrewsackville-west1609 6 лет назад

Hi, thanks for this!

@nbme-answers 9 месяцев назад

So sad to see only 1 other video on this channel! 😭

@cellularmitosis2 5 лет назад

Very cool to see the workflow. What screen recording software did you use which shows all of the key combos on-screen like that?

@kristianlm 5 лет назад

Hi Jason! I used: - ffmpeg -f x11grab for recording - aur.archlinux.org/packages/screenkey/ for showing my keyboard presses onscreen - wiki.archlinux.org/index.php/Compton to make things nice and transparent (I'm on i3-wm)

@oneofvalts 2 года назад

this is cool.

@hebertmn 2 года назад

Hi KLM. Really cool video. I am surprised you haven't done more! How do I get the cat software you mention for Mac?

@kristianlm 2 года назад

Thanks, Herbert. I don't use a Mac, but I suspect it would require different software than what I used. You could see if compton is available in brew for Mac, perhaps.

@SimGunther 2 года назад

That's more of a GNU binutils thing and not so much a "shady standalone" program you'd download from a random place on the interwebs. Homebrew has coreutils as a package that you can get with a "brew install". Plenty of tutorials online for that.

@aneslihovac3016 3 года назад

I enjoyed this. Are you planning to make more videos/turorials? Thanks!

@kristianlm 3 года назад

Thanks Anes, I'm glad you liked this. I'm not planning anything at the moment. Let me know if you had anything particular in mind.

@lemonmango8 6 лет назад

Hey what is that color theme you are using? Could you also share your dotfiles or emacs init file :P?

@kristianlm 6 лет назад

Hi Ode, and sorry for not getting back to you. I never had an Emacs config I felt I could share with anyone until a few days ago: github.com/kristianlm/.config/blob/master/emacs.d/init.el See if there's anything in there that helps you along. Please don't hesitate to ask if there's anything in the video that unclear!

@basscass710 Год назад

Do you use the geiser debug output? I dont use the standard repl very much cause of the work flow geiser brings is unmatched

@kristianlm Год назад

Hi, and thanks for watching my video. I have always been very curious about what Geiser brings to the table. I'm sure it adds a lot to the interactivity. I have, however, have never gotten it to work properly (in either Guile or Chicken). I should probably not have given up as easily, but the robustness and uncomplicated nature of what I have without it is very satisfying to me.

@basscass710 Год назад

@@kristianlm I would give it a shot, it brings the emacs way of interacting with the code to scheme. Eval, debugging and all other things. Its really neet I would try and check it out

@kristianlm Год назад

@@basscass710 Okey, I will add it to the list. Thanks :-)

@StephenThorley Год назад

How do you get the lambda character rather than the word lambda?

@kristianlm Год назад

It's been a while and I don't remember tha package that did that. Perhaps you can look around on www.emacswiki.org/emacs/PrettyLambda.

@mochdeden338 6 лет назад

are u using i3, mate ?

@kristianlm 6 лет назад

yup, i3 is my wm! I also used aur.archlinux.org/packages/screenkey/ for showing my keyboard presses onscreen, and wiki.archlinux.org/index.php/Compton to get transparency working.