clojure.core/to-array-2d

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Type: function Added: Clojure 1.0 Examples: 2 Runnable: 0

([coll])

Returns a (potentially-ragged) 2-dimensional array of Objects containing the contents of coll, which can be any Collection of any Collection.

Examples

by yasuto on 2011-06-10 . May have evaluation errors. ▶

(def a (to-array-2d [[1 2 3][4 5 6]])) #'user/a (alength a) 2 (alength (aget a 0)) 3 (aget a 0 0) 1 (aget a 0 1) 2 (aget a 0 2) 3 (aget a 1 0) 4 (aget a 2 0) → ERROR nil

by shockbob on 2011-08-22 . May have evaluation errors. ▶

;; quick example of a ragged array where the length of each element of the ;; 2d array is unique (def a (to-array-2d [[0][1 2][3 4 5][6 7 8 9]])) #'user/a (map alength [(aget a 0)(aget a 1)(aget a 2)]) (1 2 3) (aget a 0 2) ArrayIndexOutOfBoundsException java.lang.reflect.Array.get (Array.java:-2)

See also

• clojure.core/to-array (2)

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