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[phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 488: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead
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newlispfanclub.alh.net • View topic - what's wrong with the use of apply append

what's wrong with the use of apply append

Q&A's, tips, howto's

what's wrong with the use of apply append

Postby lyl » Tue Sep 03, 2019 6:26 am

lyl
 
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Joined: Sun Mar 25, 2018 5:00 am

Re: what's wrong with the use of apply append

Postby rickyboy » Tue Sep 03, 2019 9:49 am

(λx. x x) (λx. x x)
rickyboy
 
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Re: what's wrong with the use of apply append

Postby lyl » Tue Sep 03, 2019 12:23 pm

Thank you so much for this detail explaination.
As you say, "so, you end up passing a symbol as the second argument to append".
The symbol 'var which is passed to "append" has been binded to "b", why is the evaluator not able to see it?
Dose that mean each element of a list which will be passed to a function by "apply" must be evaluated first? And is this a mechanism from "lisp" or from "newlisp"?
lyl
 
Posts: 37
Joined: Sun Mar 25, 2018 5:00 am

Re: what's wrong with the use of apply append

Postby rickyboy » Tue Sep 03, 2019 6:03 pm

(λx. x x) (λx. x x)
rickyboy
 
Posts: 595
Joined: Fri Apr 08, 2005 7:13 pm
Location: Front Royal, Virginia

Re: what's wrong with the use of apply append

Postby lyl » Wed Sep 04, 2019 11:53 am

Oh, I understand it! @rickyboy And learn a lot from you. I will use "apply" more carefully.
lyl
 
Posts: 37
Joined: Sun Mar 25, 2018 5:00 am


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