Scala example source code file (bug839.scala)

This example Scala source code file (bug839.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

fileimpl, fileimpl, global, global, test, tree, tree, treebuilder, treebuilder

The Scala bug839.scala source code

// see pending/pos/bug112606A.scala
package test;
trait Test {
  trait Global {
    type Tree;
    def get : Tree;
  }
  trait TreeBuilder {
    val global : Global;
    def set(tree : global.Tree) = {}
  }
  val nsc : Global;
  trait FileImpl {
    object treeBuilder extends TreeBuilder {
      val global : nsc.type = nsc;
    }
    // OK
    treeBuilder.set(nsc.get);
  }
  val file0 : FileImpl;
  // OK
  file0.treeBuilder.set(nsc.get);
  def file : FileImpl;
  // type mismatch
  file.treeBuilder.set(nsc.get);
}