[plt-scheme] question about transfer of value from transformer torun time

Hi Matthew,
Reassuring.
Thanks,
Jos Koot

----- Original Message ----- 
From: "Matthew Flatt" <mflatt at cs.utah.edu>
To: "Jos Koot" <jos.koot at telefonica.net>
Cc: "PLT-list" <plt-scheme at list.cs.brown.edu>
Sent: Sunday, June 17, 2007 11:09 PM
Subject: Re: [plt-scheme] question about transfer of value from transformer 
torun time


> At Sun, 17 Jun 2007 21:39:23 +0200, "Jos Koot" wrote:
>> (module c mzscheme
>> ;option used both in transformer and run time environment
>>  (define-for-syntax option 2)
>>  (define-syntax (transfer stx)
>>   (syntax-local-introduce #`(define option (#%datum . #,option))))
>>  (transfer)
>> [...]
>>
>> This seems to do what I want, but it seems a little bit tricky too. Can I
>> trust the approach in module c, or is the approach in modules a and b safer?
>
> This should work fine, as long as the value of `option' is a simple
> constant (i.e., something that could have been produced by `read').
>
> Matthew
>
>