Ok now I understand ! So this implementation of apply act like this, and all implementations need, as the last arg of all the list, a sequence.
Thank you Le mercredi 14 décembre 2016 13:59:40 UTC-5, James Reeves a écrit : > > On 14 December 2016 at 17:38, Rafo Ufoun <raf.de...@gmail.com > <javascript:>> wrote: > >> Hi, thank you for your response ! >> >> I know the '& args' notation, but I thought that this notation expected a >> collection *after *the &, so in the apply signature, we expect a fn, 4 >> args and then, a sequence. >> >> In this call : (apply + 1 1 1 1 1 1 1 1 1 1 1 [2 3]), the & should be >> here : (apply + 1 1 1 1 *&* 1 1 1 1 1 1 1 [2 3]) >> >> If I understand what you're saying, all the parameters after the & and >> the [2 3] sequence is converted into a single sequence, thanks to the & ? >> > > Yes, though the [2 3] vector will be inside the args sequence. So if you > had: > > (apply + 1 1 1 1 1 1 1 1 1 1 1 [2 3]) > > And the arguments of apply are: > > [f a b c d & args] > > Then: > > f = + > a = 1 > b = 1 > c = 1 > d = 1 > args = (1 1 1 1 1 1 1 [2 3]) > > Internally, the function combines the last value of args with the rest. > > - James > -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en --- You received this message because you are subscribed to the Google Groups "Clojure" group. To unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
