Re: define anywhere

[Dr. Arne Babenhauserheide]

Taylan Kammer <taylan.kammer@gmail.com> writes:

> On 05.06.2021 00:27, Damien Mattei wrote:
>> hello,
>> i'm was considering that i want to be able to define a variable anywhere in
>> code, the way Python do. Few scheme can do that (Bigloo i know)
>> ( the list here is not exact:
>> https://www.reddit.com/r/scheme/comments/b73fdz/placement_of_define_inside_lambda_bodies_in/
>> )
>>  is it possible in guile to do it? i do not know, so could it be added to
>> the language specification for future release?
>> 
>> regards,
>> Damien
>> 
>
> It's possible since 3.0, see here:
>
> https://www.gnu.org/software/guile/manual/html_node/Internal-Definitions.html#Internal-Definitions

It is currently possible almost anywhere:

Works:

(define (a) (when #f #t) (define a 'b) a)

Does not work:

(define (a) (when #t (define a 'b) a))

Best wishes,
Arne
-- 
Unpolitisch sein
heißt politisch sein
ohne es zu merken

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