# fixed plus single named param + used optional + ext property init

class OptParam

	def main is shared		
		x = OptParam()
		x.foo('default')
		assert x.value == 0
		assert x.value1 == 0

		# can only set props like this in ctor calls
		x.foo('opt', 45, value1=66)  # .error. no parameter named "value1"
		assert x.value == 45
		assert x.value1 == 1

	var value  = 0
	var value1 = 0
	
	def foo(s as String, nmd as int = 0, nmd1 as int = 0)
		.value = nmd
		if s =='default', assert nmd1 == 0
		.value1 = nmd1