13 val <bold>x = A()</bold>
15 	DEREFERENCE: <bold>x</bold>.foo()
16 	DEREFERENCE: <bold>x</bold>.bar
17 	<bold>x</bold>.fooExt()
18 	<bold>x</bold>.barExt
20 	val y: A? = <bold>x</bold>
20 		val <bold>y: A? = x</bold>
22 			DEREFERENCE: <bold>y</bold>?.foo()
23 			DEREFERENCE: <bold>y</bold>?.bar
24 			<bold>y</bold>?.fooExt()
25 			<bold>y</bold>?.barExt
