[racket-dev] 5.2.0.1: displayln appears to write to console from where drracket was launched

Yeap, I have live CS running all the time. Interesting effect. 


On Oct 19, 2011, at 5:02 PM, Robby Findler wrote:

> Probably when you were running check syntax? (Or maybe when it was
> being run for you?)
> 
> Robby
> 
> On Wed, Oct 19, 2011 at 4:01 PM, Matthias Felleisen
> <matthias at ccs.neu.edu> wrote:
>> 
>> I am running the silly program below (no meaning), and on occasion I see the output of the *** line in the console from where I launched drracket. 5.2.0.1 from 10/16
>> 
>> 
>> #lang racket
>> 
>> (require (for-syntax syntax/parse))
>> 
>> (define-for-syntax (postfix stx word stem)
>>  (datum->syntax stx (string->symbol (string-append word "-" (symbol->string stem)))))
>> 
>> (define-syntax (define-un-serialize stx)
>>  (syntax-parse stx
>>    [(_ name:id (argument:id ...) unparser:expr parser:expr)
>>     (define serialize   (postfix stx "serialize"   (syntax-e #'name)))
>>     (define deserialize (postfix stx "deserialize" (syntax-e #'name)))
>>     (displayln `(,serialize ,deserialize)) ;; ****
>>     #`(define-values (#,serialize #,deserialize)
>>         (values (lambda (argument ...) unparser)
>>                 (lambda (msg) parser)))]))
>> 
>> (define-un-serialize f (x y) values values)
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