What about using destructuring? (defn F [[a b c d]] (+ a b c d)) 2012/11/6 the80srobot <a...@ingenious.cz>
> If I understand this right, you're looking for something like Lua's unpack > function. AFAIK you will not be able to do this in Clojure using functions, > because Clojure functions can only return one argument. The only way to > achieve this behavior would by by transforming your calls using reader > macros and then eval. I do not recommend doing this. > > I understand that something like unpack is a more general case of apply, > but I can't think of any scenario where apply isn't enough - out of > interest, what are you trying to do? > > -Adam > > > On Monday, November 5, 2012 5:45:46 AM UTC+1, cej38 wrote: >> >> Say you are given a vector A=[a1 a2 a3 a4] by some function/library/Java >> call/whatever. >> You want to use A in some function F that expects the values a1 a2 a3 a4 >> but not in the form of A; for example (defn F [w x y z] (+ w x y z)). >> Is there some function G that you can use on A such that (F (G A)) would >> give the correct answer? >> I now know ways of getting around this, for example in the overly simple >> problem I gave above I would use (eval (cons F [1 2 3 4])). >> But I have came across problems where I have had to spend a large amount >> of time trying to figure out how to do this correctly. >> I would think that there could be something to act as G. >> Is there something like this? It would definitely simplify things from >> time to time. >> > -- > 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 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
