Ah, as in: > ((fn fib [x](cond (= x 0) 0 (= x 1) 1 :else (+ (fib (- x 1)) (fib (- x 2))))) 8)) 21
Many thanks. On Wednesday, 13 November 2013 17:46:57 UTC, Jim foo.bar wrote: > > you don't need 'fn' when you're using #(...) - that is the whole point. > To not have to declare a function and its args explicitly. > > this particular example you cannot write using #() syntax though because > it is recursing at 2 points and you cannot use 'recur'. > > Jim > > wOn 13/11/13 17:41, Angus wrote: > > I know this fibonacci function is not optimal but I want to learn one > > step at a time. I want to be able to apply this approach to 4clojure > > which disallows a lot of things including defn. > > > > This is my implementation so far: > > > > (defn fib [x] > > (cond > > (= x 0) 0 > > (= x 1) 1 > > :else > > (+ (fib (- x 1)) (fib (- x 2))))) > > > > > > So I thought about something like this: > > > > (#(fn fib [x] > > (cond > > (= x 0) 0 > > (= x 1) 1 > > :else > > (+ (fib (- x 1)) (fib (- x 2))))) > > 8) > > > > But trying that in a REPL I get error: > > > > clojure.lang.ArityException: Wrong number of args (1) passed to: > > sandbox28956$eval28971$fn > > > > So how can I call this as a one line REPL? > > > > I though using apply with a one element list might work, but no. > > > > (apply #(fn fib [x](cond (= x 0) 0 (= x 1) 1 :else (+ (fib (- x 1)) > > (fib (- x 2))))) '(8)) > > > > > > -- > > -- > > You received this message because you are subscribed to the Google > > Groups "Clojure" group. > > To post to this group, send email to clo...@googlegroups.com<javascript:> > > Note that posts from new members are moderated - please be patient > > with your first post. > > To unsubscribe from this group, send email to > > clojure+u...@googlegroups.com <javascript:> > > 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+u...@googlegroups.com <javascript:>. > > For more options, visit https://groups.google.com/groups/opt_out. > > -- -- 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/groups/opt_out.
