File: lazy-leaks.scala

package info (click to toggle)
scala 2.9.2%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 67,208 kB
  • sloc: java: 27,488; xml: 4,412; python: 2,297; sh: 734; makefile: 16; ansic: 6
file content (18 lines) | stat: -rw-r--r-- 466 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
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
     }
}