/* Advanced Vala Sample Code */
using GLib;
public class Sample : Object {
   public string name { get; set; }
   public signal void foo();
   public Sample (construct string !name)
   {
   }
   public void run()
   {
      foo += s => {
         stdout.printf("Lambda expression %s!\n", name);
      }

      /* Calling lambda expression */
      foo();
   }
   static int main(string[] args)
   {
      foreach (string arg in args)
      {
         var sample = new Sample(arg);
         sample.run();
         /* Object will automatically be freed
          * at the end of the block */
      }
      return(0);
   }
}