clojure.core/alength

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

([array])

Returns the length of the Java array. Works on arrays of all types.

Examples

by dakrone on 2010-10-08 . May have evaluation errors. ▶

(def my-array (into-array Integer/TYPE [1 2 3])) #'user/my-array (alength my-array) 3

by zezhenyan on 2017-02-10 . May have evaluation errors. ▶

2D simple array example (def a (to-array-2d [[1 2] [3 4 5] [1]])) #'user/a (alength a) 3

See also

• clojure.core/into-array (0)

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