   end
 
   koan "Killing a process will terminate it" do
-    pid = spawn(fn -> Process.exit(self(), :kill) end)
+    pid = spawn(fn -> Process.exit(self, :kill) end)
     :timer.sleep(500)
     assert Process.alive?(pid) == ___
   end

                      end
                 end)

    send pid, {:hello, self()}
    assert_receive ___
  end

  koan "Waiting for a message can get boring" do
    parent = self()
    spawn(fn -> receive do
                after
                  5 -> send parent, {:waited_too_long, "I am impatient"}

  use Koans

  koan "You are a process" do
    assert Process.alive?(self) == ___
  end

  koan "You can ask a process to introduce itself" do
    information = Process.info(self)

    assert information[:status] == ___
  end
