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

With a REPL? That's a lot more than I had been thinking about. I'm not
sure how to do it, either.

Robby

On Wed, Oct 19, 2011 at 4:12 PM, Matthias Felleisen
<matthias at ccs.neu.edu> wrote:
>
> 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)
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>>>>>
>>>
>>>
>
>