measureTimeMicros
Platform and version requirements: Native (1.3) 
inline fun measureTimeMicros(block: () -> Unit): Long
Executes the given block and returns elapsed time in microseconds (Kotlin/Native only).
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Licensed under the Apache License, Version 2.0.
    https://kotlinlang.org/api/latest/jvm/stdlib/kotlin.system/measure-time-micros.html