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(def inc-coll (partial map inc)) | |
;;#'user/inc-coll | |
(inc-coll [4 5 6]) | |
;;(5 6 7) | |
(def inc-coll-coll (partial map inc-coll)) | |
;;#'user/inc-coll-coll | |
(inc-coll-coll [[1] [2]]) | |
;;((2) (3)) | |
(inc-coll-coll [[1] 3]) | |
;;IllegalArgumentException Don't know how to create ISeq from: java.lang.Long clojure.lang.RT.seqFrom (RT.java:542) | |
(defn inc2 [n] (cond (sequential? n) (inc-coll n) (number? n) (inc n) :else n)) | |
;;#'user/inc2 | |
(def inc-coll-coll (partial map inc2)) | |
;;#'user/inc-coll-coll | |
(inc-coll-coll [[1] [2]]) | |
;;((2) (3)) | |
(inc-coll-coll [[1] [2] 3]) | |
;;((2) (3) 4) | |
;;without conditionals | |
(defmulti inc2 class) | |
;;#'user/inc2 | |
(defmethod inc2 Number [n] (inc n)) | |
;#object[clojure.lang.MultiFn 0x155f5b43 "clojure.lang.MultiFn@155f5b43"] | |
(inc2 10) | |
;11 | |
(defmethod inc2 clojure.lang.Sequential [c] (map inc c)) | |
;;#object[clojure.lang.MultiFn 0x155f5b43 "clojure.lang.MultiFn@155f5b43"] | |
(inc2 [1]) | |
;(2) | |
(inc-coll-coll [[1] [2] 3]) | |
;((2) (3) 4) |
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