kotlin.system.measureNanoTime
measureNanoTime
inline fun measureNanoTime(block: () -> Unit): Long
Platform and version requirements: JVM
Executes the given block and returns elapsed time in nanoseconds.
© 2010–2017 JetBrains s.r.o.
Licensed under the Apache License, Version 2.0.
https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.system/measure-nano-time.html