object MyTEst { def main(args: Array[String]): Unit = { val num = 3.14 val fun = ceil _ var v1= fun(num) System.out.println(v1) var vv = Array(3.14,1.42,2.0).map(fun) for (value:Double <- vv) { println(value); } } }
scala array 数组整体 ceil
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