13 val <bold>x = A()</bold>
15 	DEREFERENCE: <bold>x</bold>.foo()
16 	DEREFERENCE: <bold>x</bold>.bar
20 	val <bold>y: A? = x</bold>
22 		DEREFERENCE: <bold>y</bold>?.foo()
23 		DEREFERENCE: <bold>y</bold>?.bar
