Hello,
Today I uploaded an experimental package that I made called Extenor[1].
Extenor is a shortened name for “Extensible Nominal Record”. The key
goal behind it was to have something like Racket's structs that can
have struct-type-properties, but also be extensible and keep
extensions when
On Wed, Dec 02, 2020 at 01:56:41PM -0500, Sam Tobin-Hochstadt wrote:
A few thoughts on these topics, which I've been thinking about for a while.
First, let's distinguish two things. One is an _incremental_ system,
such as a parser, which is one which does less work in response to a
small change
Announcing the release of Xsmith version 2.0!
Xsmith is a DSL for making random test case generators (fuzzers) for
programming language implementations. Xsmith is designed to generate
valid test cases that can be used for differential testing between
multiple different implementations of
On Wed, Oct 23, 2019 at 12:39:43PM -0700, Jack Firth wrote:
and it uses *no macros at all*:
Gotcha! You're using the `define` and `#%app` macros in this example,
aren't you!
More seriously, ever since I watched a Rich Hickey talk about
transducers I've wanted Racket to have them. Thanks for
On Tue, Apr 16, 2019 at 04:55:49PM -0400, Hendrik Boom wrote:
On Tue, Apr 16, 2019 at 10:13:47PM +0200, Jens Axel Søgaard wrote:
Hav you tried the make library?
https://docs.racket-lang.org/make/index.html?q=make
If you like Racket's make library but want something a little more
shell-like,
On Tue, Jan 15, 2019 at 04:11:39PM -0500, 'John Clements' via Racket Users
wrote:
Does rash have autocompletion of paths, yet? That’s my one super-super wishlist
item.
It has some basic path autocompletion -- if you type `ls /e` and hit
tab it will complete to `ls /etc/`, and you can hit tab
I just read “Language Oriented Programming in Racket: A Cultural
Anthropology” on my flight home from Racketcon. I enjoyed reading it,
and recommend it.
One point I noticed was that the most common response to the question
of “What is difficult about LOP?” seemed to be phasing. I propose a
On Wednesday, February 7, 2018 at 5:12:00 PM UTC-6, noch...@gmail.com wrote:
My google-fu is failing me today. Is there a concise way in Racket to
request possible completions for some Racket code?
Another function that may be useful for you is
`namespace-mapped-symbols`. The readline
On Thu, Nov 09, 2017 at 11:23:47PM -0800, Vincent Nys wrote:
Hi,
I have a domain-specific language with a non-parenthesis-based-syntax and
running programs written in this DSL sometimes leads to the creation of
some fairly large data structures. By "large" I mean that it is still
feasible to
Recent discussion thread:
https://groups.google.com/forum/#!topic/racket-users/6hn9J-r0Nek
Since we're discussing dotfiles and I missed the previous thread, I'm
going to shamelessly promote my basedir package[1], which provides
functions for conveniently reading/writing config files according
I wrote a couple of libraries that address this.
As was mentioned, there's Rash, which lets you swap back and forth
between normal racket and a more bash-like syntax for running
pipelines. There's also the shell-pipeline package, which provides
the runtime functions behind rash and lets you run
On Tue, Sep 05, 2017 at 05:07:41PM -0400, James wrote:
I'm trying out Rackterm for the purpose of running commands put together from a
GUI but it looks like the thread is crashing as soon as I try to create a
terminal canvas. Is it something I am not doing right or is there a bug? I am
able
On Wed, Aug 30, 2017 at 09:57:01AM -0400, David Storrs wrote:
Still, I'm also interested in the original question: if I wanted an
interactive GUI terminal in Racket, what's the best way to do it?
Another thing you can look at is my Rackterm package[1]. It is currently an
undocumented mess
On Thu, Aug 17, 2017 at 10:11:12PM -0700, Alexis King wrote:
Generally, my recommendation is to essentially define your language in
two passes: a direct translation to s-expressions, followed by a phase
of macroexpansion. The first phase is what your reader interacts with.
Give the primitives
On Fri, Jul 28, 2017 at 11:55:14PM -0700, Lehi Toskin wrote:
On Tuesday, July 25, 2017 at 9:07:14 AM UTC-7, Jens Axel Søgaard wrote:
The Interaction Window in DrRacket supports snips, picts etc., so it is
reasonable that is slower than a terminal.
But ... maybe it is possible to let the user
Or, arguably, not Rackety enough, until it's possible to embed one #lang within
another (submodules at least, but hey why not lambdas?)
I've been exploring this more and more. It is related to my shell
project (rash, which does allow embedding at the expression level), and
I've been thinking
I would love to see a Racket unikernel, and be able to essentially run a
modern Lisp machine. That seems like a really big project, but I guess
I have no real understanding of how big it would be, or what parts you
could use off the shelf (eg. from OS-kit. I understand this was done
before in
The reason why you are getting the source location from b.rkt is that
in `mk-data` you are getting the info from `stx`. In this case, `stx`
is the filled-in template you get from `simple-data` in b.rkt. The
pattern variables `name` and `x` are filled in with `unlucky` and `262`,
which do have
I would also like to know about this. For what it's worth, I also have
an extension for literal strings (the udelim package, and I've been
behind using «guillemets» as nestable literal string quotes), and I
haven't figured out how to extensibly change the coloring either. One
of my more
On Mon, Sep 26, 2016 at 01:54:35AM -0400, Eli Barzilay wrote:
But I'm guessing that I lost you again, so none of this would move you.
All I can do at this point is sigh and hope that you'll end up at the
best case of re-implementing @-expressions with the slightly more
verbose syntax that you
On Sun, Sep 25, 2016 at 01:50:51PM -0700, Dupéron Georges wrote:
If I understand you well, the intended use of your nested delimiters can be
more or less described as syntactic sugar for #reader, with auto-detection of
where the string ends:
(filter foo?
(python-ish-list-comprehend
On Sun, Sep 25, 2016 at 05:10:27AM -0400, Eli Barzilay wrote:
To be clear, no offense taken
That's good. After I read "Eli bait" my mind took the rest as having
an annoyed tone, probably from reading too many online flame wars.
It's hard to tell people's emotions in text.
I think ultimately
On Sat, Sep 24, 2016 at 05:33:18PM -0400, Alex Knauth wrote:
The way racket already does this is with a 'paren-shape syntax property, which
you can ignore if you want to use ｢｣ as a normal visually distinctive paren
type *without* needing a special macro with a weird name.
I hadn't thought
One note about the docs: when you write:
(open-input-string
"«this is a string with nested «string delimiters.» No \n escape
interpreting.»")
the "\n" is already escaped by the "…" fed into open-input-string I think, so
what udelim parses in that example is a raw newline, not the \
First of all, I really didn't mean any offense. I think the at-reader
and my nestable string delimiters are trying to solve slightly different
problems, and I didn't really convey that well. I didn't mean for it to
be "Eli bait". Let me explain my use case a little, and maybe my
earlier mail
Hello everybody,
I'm announcing another little package I've written to get comments on
it: udelim.
Udelim is a library for adding extra parens and string delimiters to
your language.
For many years, before ever coming to racket, I've wanted nestable
string delimiters. Especially when working
I've looked over the scsh docs at various times, though I've never
actually used it -- it's never been pre-packaged for distros I've used,
and every time I've tried to build it I've run into errors. Perhaps I
should try again. As far as the process syntax goes, a little bit of
macros over my
Is this at all related to Vincent's work? [1]
[1]: https://github.com/stamourv/rash
I had no idea that existed. (in my defense, I did google "racket
shell", "racket rash", etc before starting this)
I'll have to look at it as well.
--
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Hello everyone,
Being obsessed with shells and wanting very badly to have a racket
shell, I've spent a good chunk of time over the last couple of weeks
working on shell-related stuff for Racket. First is a library for shell
pipelines (that may also contain racket functions). The interface is
On Fri, Oct 23, 2015 at 02:58:30PM -0400, Anthony Carrico wrote:
On 10/23/2015 11:30 AM, Greg Hendershott wrote:
If you touch type you
use both left and right shift keys O_o.
...but only the right shift key in dvorak
For greater keyboard layout awareness, here is a more complete
assessment
On Fri, Oct 16, 2015 at 03:24:06PM +0200, Konrad Hinsen wrote:
Matthias Felleisen writes:
> > For me the strongest point of Racket is that it encourages linguistic
> > diversity while maintaining (nearly enforcing) interoperability. My
> > dream language environment would go one step further
On Fri, Jul 03, 2015 at 12:38:26PM -0400, Greg Hendershott wrote:
Being git, there are probably a variety of ways to go about this. What
I might try (but haven't verified first-hand):
One-time setup:
- On master, `git pull --ff-only upstream`.
- On master, create from master a new branch named
I would also love to see a new emacs based on Racket. Is rmacs by Tony
Garnock-Jones intended to be a small project or is he meaning for it to
grow to be a serious contender with emacs, vim, etc?
I agree with Greg that the ecosystem and momentum around emacs is its
strongest point. I've
On Fri, Jul 03, 2015 at 12:38:26PM -0400, Greg Hendershott wrote:
Being git, there are probably a variety of ways to go about this. What
I might try (but haven't verified first-hand):
One-time setup:
- On master, `git pull --ff-only upstream`.
- On master, create from master a new branch named
On Thu, Jun 04, 2015 at 07:20:27AM -0600, Matthew Flatt wrote:
At Wed, 3 Jun 2015 16:46:09 -0600, William G Hatch wrote:
Its main problem currently is that it spends a lot of time drawing. I
am using a canvas% and I override its dc%'s on-paint to get the contents
and then draw them on screen
Hello racketeers,
I'm pretty new to racket, so to get some experience with it I've been
writing a terminal emulator. It's coming along nicely (it is one
control code away from being able to nicely run vim), and is at
https://github.com/willghatch/rackterm for your browsing pleasure. I
have
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