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      nthnext

      clojure.core

      自 1.0 起可用 (源代码)
      • (nthnext coll n)
      Returns the nth next of coll, (seq coll) when n is 0.
      © Rich Hickey。保留所有权利。 Eclipse Public License 1.0
      2 Examples
      (nthnext (range 10) 3)
;;=> (3 4 5 6 7 8 9)

(nthnext [] 3)
;;=> nil

(nthnext [1 2 3 4 5 6 7] 4)
;;=> (5 6 7)


      ;; drop is also similar, but different 
(nthnext (range 10) 5)   ;;=> (5 6 7 8 9)
(drop    5 (range 10))   ;;=> (5 6 7 8 9)

;; here is a case where the results differ
(nthnext [] 3)  ;;=> nil
(drop    3 [])  ;;=> ()   ; a lazy sequence
      See Also
      clojure.core/nth

      Returns the value at the index. get returns nil if index out of bounds, nth throws an exception un...

      Added by Havvy
      clojure.core/drop

      Returns a lazy sequence of all but the first n items in coll. Returns a stateful transducer when n...

      Added by Havvy
      clojure.core/nthrest

      Returns the nth rest of coll, coll when n is 0.

      Added by TimMc
      1 Note
        By , created 13.9 years ago, updated 13.9 years ago

        nthnext is similar to drop. But nthnext is eager, while drop is lazy.

        Also parameters are in opposite order.