class Test

	def main is shared

		t as IList<of String> = List<of String>()
		assert t.count==0
		assert not t.count
		t.add('aoeu')
		assert t.count==1
		
		s = 'xyz'
		s = t[0]  # index an IList
		assert s == 'aoeu'

		u as IList<of int> = List<of int>()
		u.add(1)
		u.add(2)
		assert u.count==2
		assert u[0]==1
		assert u[1]==2

		i = 9
		i = u[0]
		assert i == 1