#(fn fib [x] ... ) creates a zero-arity function which, when called, will return a one-arity function. Just get rid of the #.
On Wed, Nov 13, 2013 at 9:41 AM, Angus <[email protected]> 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 [email protected] > Note that posts from new members are moderated - please be patient with > your first post. > To unsubscribe from this group, send email to > [email protected] > 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 [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > -- Ben Wolfson "Human kind has used its intelligence to vary the flavour of drinks, which may be sweet, aromatic, fermented or spirit-based. ... Family and social life also offer numerous other occasions to consume drinks for pleasure." [Larousse, "Drink" entry] -- -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
