Scala example source code file (t3199.scala)

This example Scala source code file (t3199.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

abstractresource, abstractresource, anyref, array, b, b, either, r, r, test, test, unit

The Scala t3199.scala source code

import _root_.scala.collection.Seq 
import _root_.scala.util.control.Exception 
import _root_.scala.util.continuations._ 
 
object Test { 
 
  trait AbstractResource[+R <: AnyRef]  { 
    def reflect[B] : R @cpsParam[B,Either[Throwable, B]] = shift(acquireFor) 
    def acquireFor[B](f :  R => B) : Either[Throwable, B] = { 
	      import Exception._ 
	      catching(List(classOf[Throwable]) : _*) either (f(null.asInstanceOf[R])) 
	    } 
	  }   
	 
	  def main(args: Array[String]) : Unit = { 
	     val x = new AbstractResource[String] { } 
	     val result = x.acquireFor( x =>  7 ) 
	     println(result) 
	  } 
	}