   use Koans
 
   koan "You are a process" do
-    assert Process.alive?(self()) == ___
+    assert Process.alive?(self) == ___
   end
 
   koan "You can ask a process to introduce itself" do
-    information = Process.info(self())
+    information = Process.info(self)
 
     assert information[:status] == ___
   end

  end

  koan "You can send messages to processes" do
    send self(), "hola!"

    receive do
      msg -> assert msg == ___

  end

  koan "If you monitor your children, you'll be automatically informed for their depature" do
    spawn_monitor(fn -> Process.exit(self, :normal) end)

    assert_receive {:DOWN, _ref, :process, _pid, ___}
  end
