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      amap

      clojure.core

      Available since 1.0 (source)
      • (amap a idx ret expr)
      Maps an expression across an array a, using an index named idx, and
return value named ret, initialized to a clone of a, then setting 
each element of ret to the evaluation of expr, returning the new 
array ret.
      © Rich Hickey. All rights reserved. Eclipse Public License 1.0
      1 Example
      (def an-array (int-array 25000 (int 0)))

user=> (time (amap ^ints an-array 
                   idx 
                   ret 
                   (+ (int 1) 
                      (aget ^ints an-array idx))))

"Elapsed time: 14.708653 msecs"

;; Note: without type hinting the performance of would not be good.
      See Also
      clojure.core/areduce

      Reduces an expression across an array a, using an index named idx, and return value named ret, ini...

      Added by BertrandDechoux
      clojure.core/map

      Returns a lazy sequence consisting of the result of applying f to the set of first items of each c...

      Added by gstamp
      0 Notes
      No notes for amap