Kotlin runCatching try-catch耗時比較

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fun main(args: Array<String>) {val lists = arrayListOf("z")val idx = 10/***納秒統計** ns（nanosecond）：納秒。一秒的10億分之一，10的-9次方秒。* 　　1納秒=0.000001 毫秒* 　　1納秒=0.000000001秒*/val t1 = System.nanoTime()kotlin.runCatching {lists[idx]}.onFailure {//println("error1")}val t2 = System.nanoTime()try {lists[idx]} catch (e: Exception) {//println("error2")}val t3 = System.nanoTime()println("${t2 - t1}ns ${t3 - t2}ns ${(t2 - t1) / (t3 - t2)}")
}

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8493500ns 129600ns 65

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