Partition

ClojureScript Koans Partition Answers
http://clojurescriptkoans.com/#partition/1


1)To split a collection you can use the partition function

(= '((0 1) (2 3)) (partition 2 (range 4)))

2)But watch out if there are not enough elements to form n sequences

(= '( (:a :b :c) ) (partition 3 [:a :b :c :d :e]))

3)You can use partition-all to also get partitions with less than n elements

(= '((0 1 2)(3 4)) (partition-all 3 (range 5)))

4)If you need to, you can start each sequence with an offset

(= '((0 1 2) (5 6 7) (10 11 12)) (partition 3  5  (range 13)))

5)Consider padding the last sequence with some default values..

(= '((0 1 2) (3 4 5) (6 :hello)) (partition 3 3 [ :hello ] (range 7)))

6).. but notice that they will only pad up to given sequence length

(= '( (0 1 2) (3 4 5)  (6 :this :are) ) (partition 3 3 [:this :are "my" "words"] (range 7)))