I got it! Yes! Thank you Joh. You too Joe, your example helped me a lot! It really was in the documentation, I just missed it because the opening paragraph didn't say it explicitly. I guess this is the kind of mistakes that come from lack of experience.
So, as recap: the 'any argument is the extensor, and it sets what 'lst will be extended with. And if its not given, it defaults to NIL. On Sat, Dec 3, 2016 at 7:12 PM, Joe Bogner <joebog...@gmail.com> wrote: > Hi Bruno, welcome! > > I agree the documentation is terse, but I think it's clear. > > "When lst is given, it is extended to the left (if cnt is positive) or > (destructively) to the right (if cnt is negative) with any elements" > > Here's an example > > Perhaps an additional example would be useful in the docs, but it's > easy enough to try in the repl > > # extend with NIL, same as (need 5) > : (need 5 '(1 2)) > -> (NIL NIL NIL 1 2) > > # extend with a (1 2) with 3 1s > : (need 5 '(1 2) 1) > -> (1 1 1 1 2) > > > On Sat, Dec 3, 2016 at 5:59 PM, Joh-Tob Schäg <johtob...@gmail.com> wrote: > > You are welcome. But from my personal experience the documentation is > rather > > terse and changes happen not that often. > > > > Also (doc 'need) does state what it does do. Read the last two lines > `second > > form`. It is very unclear and i hope Regenaxer takes a look and clarifies > > it. > > > > 2016-12-03 23:41 GMT+01:00 Bruno Franco <brunofrancosala...@gmail.com>: > >> > >> Thanks Chri! I'm relieved to hear you say that. I'll make sure to send > any > >> question I have. > >> > >> On Sat, Dec 3, 2016 at 5:12 PM, Christophe Gragnic > >> <christophegrag...@gmail.com> wrote: > >>> > >>> On Sat, Dec 3, 2016 at 10:54 PM, Bruno Franco > >>> <brunofrancosala...@gmail.com> wrote: > >>> > I just wanted to point out that (doc 'need) for version 15.11.0 seems > >>> > to > >>> > miss something. > >>> > […] > >>> > I also wanted to ask if this kind of topic was appropriate for the > >>> > mailing > >>> > list. It seems so small that I wouldn't want to bother everyone just > to > >>> > point it out. > >>> > >>> I can't say anything about 'need, but I can answer the last question. > >>> This list is very friendly, especially with newbies. > >>> You can ask any question or point us to anything. > >>> > >>> > >>> chri > >>> -- > >>> UNSUBSCRIBE: mailto:firstname.lastname@example.org?subjectUnsubscribe > >> > >> > > > -- > UNSUBSCRIBE: mailto:email@example.com?subjectUnsubscribe >