WadeWaldron

def tic(name: String)

WadeWaldron

class MyClass extends Metrics {
  def myMethod():Unit = {
    timed[T](“MyClass.MyMethod”) {
      // Execute whatever code your method needs here.
    }
  }
}

WadeWaldron

trait Metrics {
  def timed[T](name: String)(f: => T):T
  def succeeded(name: String)
  def failed(name: String)
  def tic(name: String)
  def measured(name: String, value: Long)
}

WadeWaldron

case class Kilograms(value: Double) extends AnyVal

WadeWaldron

implicit def kilogramsToDouble(kilos: Kilograms): Double = kilos.value
implicit def doubleToKilograms(value: Double): Kilograms = Kilograms(value)
implicit def poundsToDouble(pounds: Pounds): Double = pounds.value
implicit def doubleToPounds(value: Double): Pounds = Pounds(value)

WadeWaldron

implicit def kilogramsToPounds(kilos: Kilograms): Pounds
implicit def poundsToKilograms(pounds: Pounds): Kilograms

WadeWaldron

def kilogramsToPounds(kilos: Kilograms): Pounds = kilos * 2.20462
def poundsToKilograms(pounds: Pounds): Kilograms = pounds / 2.20462

WadeWaldron

case class Kilograms(value: Double)
case class Pounds(value: Double)

WadeWaldron

case class EmailAddress(value: String) {
  def localPart(): String = …
  def domain(): String = ...
}

WadeWaldron

case class EmailAddress(value: String) {
  // Execute validation logic
}