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dorsev/ImplicitsExample.scala

Created December 1, 2018 21:51
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ImplicitsExample.scala
trait Trackable[T] {
def trackValue(off: Long, item: T): Unit
}
trait Gauge {
def set(off: Long): Unit
}
implicit val trackableLong = new Trackable[AtomicLong] {
override def trackValue(off: Long, item: AtomicLong): Unit =
item.set(off)
}
implicit val trackableGauage = new Trackable[Gauge] {
override def trackValue(off: Long, item: Gauge): Unit = item.set(off)
}
val gauge: Gauge = ???
val counter: AtomicLong = ???
def offsetMonitor[A](monitor: A)(implicit trackable: Trackable[A]) =
trackable.trackValue(12, monitor)
offsetMonitor(gauge)
offsetMonitor(counter)
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