I just read the article by Matt that was posted on Hacker News
(http://felleisen.org/matthias/OnHtDP/index.html) and I wanted to take the
time to thank you all in the PLT/Racket team.
Thank you for trying (and achieving!) to bring a new approach to teaching
computer science. Improving teaching
For everyone else, the essay is NOT about Turing/the language or Turing/the man
but Turing, the concept.
And because it is true that we have monopoly power over students here, not a
single required course forces students to use Racket. In our freshman course we
use the teaching languages,
> On Aug 24, 2018, at 8:50 AM, Joao Pedro Abreu De Souza
> wrote:
>
> Hi. I am contributing in a library that create functions to parse PEG(parsing
> expression grammar). To implement a feature, I need to know the return's type
> of a function. We are using racket, not typed-racket, so I
Perhaps object-contract?
Note that this might not return a contract, however, in which case,
the function might return anything.
Robby
On Fri, Aug 24, 2018 at 7:50 AM Joao Pedro Abreu De Souza
wrote:
>
> Hi. I am contributing in a library that create functions to parse PEG(parsing
>
> On Aug 24, 2018, at 5:50 AM, Jérôme Martin
> wrote:
>
> I just read the article by Matt that was posted on Hacker News
> (http://felleisen.org/matthias/OnHtDP/index.html) and I wanted to take the
> time to thank you all in the PLT/Racket team.
>
> Thank you for trying (and achieving!) to
Hi. I am contributing in a library that create functions to parse
PEG(parsing expression grammar). To implement a feature, I need to know the
return's type of a function. We are using racket, not typed-racket, so I
think that I need to get the contract or something like that. I dont see in
the
"Turing is useless" ...
While I worked as a programmer I used to complain quite bitterly about
university comp sci departments that had NIH (not invented here) syndrome
and a captive audience.
I learned Turing as my 2nd programming language. I'm sure the only reason
it could have been
I didn't realize (though I should have) that the comment could be taken
that way.
I realize you were not writing anything about the Turing language, but the
title of the essay triggered some memories for me of what my classmates and
later my professional colleagues used to talk about. And
Hello *Racketeers,*
Let's organize a Scheme event at FOSDEM 2019 in Bruxelles.
I started a page on the wiki @ http://community.schemewiki.org/?FOSDEM2019
You can edit the wiki page. The goal of that page is to gather enough talk
ideas to be able to submit a proposal for a developer room at
Ben Kovitz wrote on 08/24/2018 10:04 PM:
I noticed the separate User's Guide and Reference, and indeed that's
one reason I'm considering Racket for practical use right now.
The separation of a Guide is good for a read-through, like on the train,
when first exposed to a system. *But*, for
On Friday, August 24, 2018 at 9:33:12 PM UTC-4, Robby Findler wrote:
> The racket documentation is organized into two documents.
> …
> Guide: http://docs.racket-lang.org/guide/define-struct.html
>
> Reference: http://docs.racket-lang.org/reference/define-struct.html
I noticed the separate
The racket documentation is organized into two documents. One that is
intended to be the useful, commonly-used bits (called the guide) and
one is intended to be comprehensive, showing every possibly knob and
button (called the reference). If you don't know about that, it can be
easy to flip into
I'll be hosting a Racket meetup in a couple of months. It'll be held on
Thursday, November 8, from 18:30 to 20:30 in Frankfurt, Germany. More
information (agenda, location, etc.) can be found at
https://afterworkracket.com/1
Racketeers in Germany, or any of you who'll by chance be around
:transparent is definitely mentioned in the guide chapter on structures,
maybe ch 5
On Fri, Aug 24, 2018 at 8:15 PM Ben Kovitz wrote:
> On Thursday, August 23, 2018 at 2:49:32 PM UTC-4, David K. Storrs wrote:
>
> For me, the first resorts in Racket are list and hash. If I'm going to do
>> any
The Racket Cheat Sheet might help:
http://docs.racket-lang.org/racket-cheat/index.html
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On Friday, August 24, 2018 at 8:39:43 PM UTC-4, Miodrag Milenkovic replied
to me:
>> Ah, thanks! I spent about an hour trying to figure out inspectors and
didn't get anywhere, and I never would have guessed that :transparent means
to make the struct printable. This is the kind of thing I'm
On Fri, Aug 24, 2018 at 07:50:26AM -0700, Sanjeev Sharma wrote:
> "Turing is useless" ...
>
> While I worked as a programmer I used to complain quite bitterly about
> university comp sci departments that had NIH (not invented here) syndrome
> and a captive audience.
>
> I learned Turing as
The library is with a problem that is when manage the * operator(greedy
repeat), if the term that is repeat would be a string, then he returns a
empty string, that is the equivalent of a rule that always match but
without consume anything. If the term that is repeat would be other thing,
the *
On Thursday, August 23, 2018 at 2:49:32 PM UTC-4, David K. Storrs wrote:
For me, the first resorts in Racket are list and hash. If I'm going to do
> any heavy lifting with it then I move to struct:
>
> (hash 'username 'bob 'age 18) ; quick and easy, works well with database,
> useful print
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