You have to replace the underscore with a function. The value of (= (_ [1 2 3 4 5]) 5) must be true. So the value of (_ [1 2 3 4 5]) must be 5. So the function you are looking for will have to return the last element of the array.
On Wednesday, April 30, 2014 5:28:26 PM UTC+2, Roelof Wobben wrote: > > On 4 clojure there it this exercise: > > (= (__ (sort (rest (reverse [2 5 4 1 3 6])))) > (-> [2 5 4 1 3 6] (reverse) (rest) (sort) (__)) > 5) > > if I understand it right this is happen > > reverse[ 2 5 4 1 3 6] gives [ 6 3 1 4 5 2 ] > Then rest [ 6 3 1 4 5 2] gives [ 3 1 4 5 2] > Sort this and you get [ 1 2 3 4 5] > > This part : [2 5 4 1 3 6] (reverse) (rest) (sort) gives the same output: [ > 1 2 3 4 5] > > what does the (__)) 5) does exactly. When I change the 5 to another number > the outcome is not changed. > And where does clojure put the first [ 1 2 3 4 5 ] in the second form ? > > Roelof > > > > -- 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.
