class Test

	def main is shared
		
		a = 23 + 1
		assert a = 24  # .error. assert condition is an assignment
		CobraCore.noOp(a)

		i = 5
		assert .change(10, out i)  # .error. cannot have side effects

		assert [1, 2, i = 6].count  # .error. cannot have side effects

	def change(x as int, y as out int) as int is shared
		y = x
		return x