interface IFoo

	def foo
		

struct Stru

	def foo
		pass
		
	
class Test
	implements IFoo
	
	def foo
		pass
		
	def process(stru as Stru)
		stru.foo
		# use System.Object methods:
		assert stru.equals(stru)
		assert stru.getHashCode <> 0 or stru.getHashCode == 0
		assert stru.toString.length
		assert stru.getType is Stru
		
	def main is shared
		Test().process(Stru())