我有一个作为属性的类,带有属性观察器。如果我更改该类中的某些内容,是否有一种方法可以触发类似于示例中的didSet:
class Foo {
var items = [1,2,3,4,5]
var number: Int = 0 {
didSet {
items += [number]
}
}
}
var test: Foo = Foo() {
didSet {
println("I want this to be printed after changing number in test")
}
}
test.number = 1 // Nothing happens