I have a macro that does something that approximates binding. It looks
like this:
(∀ [α] (→ α α))
Obviously, I’d really like it if the αs had binding arrows drawn to
them. The trouble, unfortunately, is that ∀ does not expand to a binding
form at all; it is parsed in a single macro step to a va
Ah, I see. Well, here's a minimal version:
(require math/matrix)
(define M (matrix ([1 2 3] [4 5 6] [7 8 9] [10 11 12])))
;;Define some simple functions that we can use on our matrix
(define (add-n n) (lambda (m) (+ n m)))
(define add2 (add-n 2))
(define add3 (add-n 3))
(define add4 (add-n
> On Oct 18, 2016, at 6:10 PM, Chris GauthierDickey wrote:
>
> Greetings all,
>
> Googled around and searched through documents but I couldn't find an
> answer. Me and a colleague built a #lang on top of racket and I've been able
> to get it to run in the Definitions window of Dr Racket bu
Greetings all,
Googled around and searched through documents but I couldn't find an
answer. Me and a colleague built a #lang on top of racket and I've been
able to get it to run in the Definitions window of Dr Racket but not in the
REPL (either in Dr. Racket or from the command line). I'm not ge
(adding the list back in, in case the info is helpful to others)
On 2016-10-18 17:38:27 +0200, meino.cra...@gmx.de wrote:
> I am a vim user by heart and have setup tslime and racket (cli) to
> work hand in hand. Are there better alternatives for vim?
The Racket Guide has a section with suggestion
On Tuesday, October 18, 2016 at 5:48:07 PM UTC+2, David K. Storrs wrote:
> Hi Pierre,
>
> Does matrix-map-cols do what you want? It's the last function on page
> https://docs.racket-lang.org/math/matrix_poly.html
>
> Also, welcome to Racket!
>
> Dave
>
>
>
>
> On Mon, Oct 17, 2016 at 7:00
Hi Pierre,
Does matrix-map-cols do what you want? It's the last function on page
https://docs.racket-lang.org/math/matrix_poly.html
Also, welcome to Racket!
Dave
On Mon, Oct 17, 2016 at 7:00 PM, Pierre-Henry Frohring <
frohring.pierrehe...@gmail.com> wrote:
> Hello,
>
> First time here, and
Nice. Thanks, Tony.
On Tue, Oct 18, 2016 at 11:27 AM, Tony Garnock-Jones
wrote:
> On 10/18/2016 12:27 AM, David Storrs wrote:
> > On Mon, Oct 17, 2016 at 8:39 PM, Sam Tobin-Hochstadt
> > mailto:sa...@cs.indiana.edu>> wrote:
> > I think the `integer->integer-bytes` function is probably what
On 10/18/2016 12:27 AM, David Storrs wrote:
> On Mon, Oct 17, 2016 at 8:39 PM, Sam Tobin-Hochstadt
> mailto:sa...@cs.indiana.edu>> wrote:
> I think the `integer->integer-bytes` function is probably what you want.
>
> Thanks Sam, that does the trick.
You might also find the `bitsyntax` packag
David pointed out that I failed to do a reply all when I pointed him to the
packed-binary package on PLaneT that does what he wants. Here is the text
of that post in case anyone else ever needs it.
I have a packed-binary package on PLaneT that we use for for reading binary
data based on a similar
On Tuesday, October 18, 2016 at 9:44:56 AM UTC-4, Matthew Flatt wrote:
> Nightly builds are not currently signed, so Sierra doesn't like them.
>
> Try this: Using Finder, drag the DrRacket icon out of its folder. Then
> drag it back in place. Then try double-clicking DrRacket. (Yes, that's
> weird
> Can the nightly builds be double-clicked to open, as with the pre-releases?
> I
> just downloaded a nightly build (20161018-ddf6985, v6.7.0.1 for Mac OS X
> 64-bit Intel), I'm running Sierra, and it doesn't seem to open on
> double-click. So far, Sierra
Can the nightly builds be double-clicked to open, as with the pre-releases? I
just downloaded a nightly build (20161018-ddf6985, v6.7.0.1 for Mac OS X 64-bit
Intel), I'm running Sierra, and it doesn't seem to open on double-click. So
far, Sierra has been a little weird.
Geof
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Thanks, everyone, good to know that not only will we be getting the videos soon
but that we have a new #lang for them as well. Maybe next RacketCon Leif will
be giving a talk on #lang video :)
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