samth changed the topic of #racket to: Racket v7.7 has been released: https://blog.racket-lang.org/2020/05/racket-v7-7.html -- Racket -- https://racket-lang.org -- https://pkgs.racket-lang.org -- Paste at http://pasterack.org
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<samth> dzoe: what about two flonum variables?
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<aaaaaa> Hi all. How to convert non-boolean to boolean? I want (member...) to return just bool and using (not(not(member... but how can I do any better?
<vraid> due to how scheme handles boolean logic (false vs not as opposed to false vs true), such values are usually not converted
<vraid> you can use (if (member...) a b) just fine, but if you do need the boolean value i'd recommend making a function like (define (bool a) (not (not a))), or (define (bool a) (and a #t))
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<aaaaaa> vraid: OK, thanks
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<sonata> I think I don't understand the difference between hb-append, hbl-append, and htl-append.
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<aaaaaa> maybe dumb question. How to create a list of n #f elements? in Python I can do [0]*n
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