I tried the handin-server on a Windows computer and it worked just
fine. Now I'm trying it on a headless UNIX system and, upon first run,
I got:
$ racket -l handin-server
Unable to init server: Could not connect: Connection refused
Gtk initialization failed for display ":0"
context...:
On Friday, August 16, 2019 at 6:46:14 PM UTC-4, Brian Adkins wrote:
>
> I went ahead and added my version to the Racket section w/ some subtle
> changes from my original post. I'm happy to edit it if necessary.
>
> https://rosettacode.org/wiki/Synchronous_concurrency#Racket
>
> I added a note
I went ahead and added my version to the Racket section w/ some subtle
changes from my original post. I'm happy to edit it if necessary.
https://rosettacode.org/wiki/Synchronous_concurrency#Racket
I added a note above my entry re: using thread mailboxes, and I added a
note above the existing
The current Racket example for Synchronous Concurrency seems a little
verbose and overly complicated:
https://rosettacode.org/wiki/Synchronous_concurrency#Racket
What do you think of the following example instead?
Brian Adkins
--- snip ---
(define (reader)
(for ([line (in-lines
One nice interactive way is with the Macro Stepper feature in DrRacket,
which is easy to use once you know the button to start it.
Sometimes it helps to copy, into a new file, the minimal usage of
a macro you're interested in, and just expand that.
Also:
I always try to understand things from the bottom up.
How can I see the expansion of things like (match ...)?
More generally, how do Racket developers look at the internal forms of
programs?
--
Josh Rubin
jlru...@gmail.com
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