Scala example source code file (lazy-leaks.scala)

This example Scala source code file (lazy-leaks.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

app, app, array, array, int, int, lazy, lazy, test

The Scala lazy-leaks.scala source code

class Lazy(f: => Int) {
     lazy val get: Int = f
}

object Test extends App
{
     val buffer = new scala.collection.mutable.ListBuffer[Lazy]

     // This test requires 4 Mb of RAM if Lazy is discarding thunks
     // It consumes 4 Gb of RAM if Lazy is not discarding thunks

     for (val idx <- Iterator.range(0, 1024)) {
         val data = new Array[Int](1024*1024)
         val lz: Lazy = new Lazy(data.length)
         buffer += lz
         lz.get
     }
}