Simple operations duration tools. / published by https://github.com/dacr/code-examples-manager #08446962-f8ca-4996-b6b9-4ede82ade95f/8eb2543a160912ab865b60c3d2d51386622b7b68

scala-howlong.sc

// summary : Simple operations duration tools.
// keywords : scala, duration, howlong, @testable
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : 08446962-f8ca-4996-b6b9-4ede82ade95f
// created-on : 2020-07-07T06:55:19Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.4.2"
// ---------------------

import scala.util.{Try, Success, Failure}

def now(): Long = System.currentTimeMillis()
def howLong[T](processing: => T): (Try[T], Long) = {
  val started = now()
  (Try(processing), now() - started)
}
def howLongReport[T](text: String)(processing: => T): Unit = {
  val (response, duration) = howLong(processing)
  response match {
    case Success(result) => println(s"Success after ${duration}ms : $result $text")
    case Failure(exception) => println(s"Failure after ${duration}ms : $text")
  }
}


howLongReport("as the sum value") {
  1.to(100000).sum
}