Scala example source code file (mock.scala)

This example Scala source code file (mock.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

anyref, array, callable, closeable, closeable, hi, hi, io, runnable, t, test, test, threading, threads, unit, universalfn, universalfn

The Scala mock.scala source code

import scala.tools.reflect._
import java.util.concurrent.Callable
import java.io.Closeable

object Test {
  // It'd be really nice about now if functions had a common parent.
  implicit def interfaceify(x: AnyRef): UniversalFn = UniversalFn(x)
  
  def runner(x: Runnable) = x.run()
  def caller[T](x: Callable[T]): T = x.call()
  def closer(x: Closeable) = x.close()
  
  def main(args: Array[String]): Unit = {
    var counter = 0
    val closure = () => {
      counter += 1
      println("Hi, thanks for calling: that makes " + counter + " times.")
      counter
    }

    val int1 = closure.as[Runnable]
    val int2 = closure.as[Callable[Int]]
    val int3 = closure.as[Closeable]
    
    runner(int1)
    caller(int2)
    closer(int3)
  }
}