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

May I propose a compile-time interaction window in drracket? -- Matthias



On Oct 19, 2011, at 5:08 PM, Robby Findler wrote:

> Well, when you do IO at compile time there isn't really a good place
> to put it (at least not at the moment) so instead of making a good
> place to put it, I just let it go to drracket's stdout. Probably
> reasonable to consider this a bug.
> 
> Robby
> 
> On Wed, Oct 19, 2011 at 4:06 PM, Matthias Felleisen
> <matthias at ccs.neu.edu> wrote:
>> 
>> 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)
>>>> _________________________________________________
>>>>  For list-related administrative tasks:
>>>>  http://lists.racket-lang.org/listinfo/dev
>>>> 
>> 
>>