import std.concurrency;

import std.stdio;

​

shared class SuperUsefulThing

{

  private int _value;

​

  this() { _value = 0; }

  int read() { return _value; }

  void write(int value) { _value = value; }

}

​

void main()

{

  auto mySharedObject = new shared SuperUsefulThing();

​

  mySharedObject.write(7);

​

  static void otherThread(shared SuperUsefulThing t)

  {

    t.read();

    t.write(1234);

  }

​

  spawn(&otherThread, mySharedObject);

​

  writeln(mySharedObject.read());

}