Simple stopwatch in kotlin

SimpleStopwatch.md

object SimpleStopwatch {
    suspend fun <T> runWithStopWatch(log: Logger, tag: String, block: suspend () -> T): T {
        val start = System.currentTimeMillis()
        val result = block()
        val executionTime = System.currentTimeMillis() - start
        log.info("=======> $tag took ${executionTime}ms to finish")
        return result
    }
}

usage

val savedUser: User = runWithStopWatch(log, "saving-user") { userDataAccessPort.save(user) }
// =======> saving-user took 2ms to finish