Re: [racket-users] Us congress hearing of maan alsaan Money laundry قضية الكونغجرس لغسيل الأموال للمليادير معن الصانع

2016-02-04 Thread 'John Clements' via Racket Users

> On Feb 3, 2016, at 1:02 PM, Mark Lee  wrote:
> 
> To All,
> 
> This message has been chronically sent to the mailing list. Can we classify 
> it as spam and unrelated to the Racket Language?

It looks like this is the third time. I had already banned the first user 
posting and marked the message as spam; I’ve now done so for the later two 
posts, as well.

My apologies.

John



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Re: [racket-users] Macros outline

2016-02-04 Thread Greg Hendershott
I really like it!

Compared to FoM, you get to the point more quickly and clearly.

(FoM is closer to that genre where someone takes notes on their first
24 hours trying to understand a new language. (Except in my case with
macros it felt like months not hours.))

I hope you do expand it.


On Wed, Feb 3, 2016 at 2:37 PM, Gavin McGimpsey  wrote:
> I've been picking up Racket here and there, and have spent the last little 
> while learning about macros. The Reference and Guide are comprehensive, of 
> course, and Greg Hendershott's Fear of Macros is an excellent introduction.
>
> I found that it took me a little to see how each of the pieces fit together 
> in the bigger picture – FoM and the Guide both take tutorial approaches that 
> start small and build upwards, but didn't make the high-level organization 
> explicit enough for me. So I wrote up this outline:
>
> http://www.gavinmcg.com/2016/02/03/racket-macros.html
>
> I'm hoping to expand it once I learn more about syntax-parse and reader 
> extensions.
>
> I'd appreciate any feedback!
>
> Gavin
>
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[racket-users] a little bug

2016-02-04 Thread jon stenerson


#lang racket
(let ((x 1))
  (letrec-syntax ((m (lambda (t) (syntax (m)
(m)))

When I run this in DrRacket 6.3 on Win 10 it starts looping. I hit the 
stop button. The interaction window says "user break" and is ready for 
another command.


However, the windows task manager shows DrRacket being very active and 
eating more and more memory. After a minute DrRacket crashes. I guess 
the bug is that the stop button doesn't stop the expander?


Jon

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