design

package

v1.3.1 Latest Latest Go to latest Published: Nov 25, 2024 License: MIT Imports: 1 Imported by: 0

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type ConcreteSubject struct {
	// contains filtered or unexported fields
}

ConcreteSubject 具体主题实现

func (s *ConcreteSubject) NotifyObservers()

NotifyObservers 通知观察者

func (s *ConcreteSubject) RegisterObserver(observer Observer)

RegisterObserver 注册观察者

func (s *ConcreteSubject) RemoveObserver(observer Observer)

RemoveObserver 移除观察者

type Observer interface {
	Update(interface{})
}

Observer 定义观察者接口

type Subject interface {
	RegisterObserver(Observer)
	RemoveObserver(Observer)
	NotifyObservers()
}

Subject 定义主题接口

type User struct {
	Age  string
	Name string
}

func NewUser(opts ...UserOption) *User

type UserAge func(*User)

func (op UserAge) Apply(u *User)

type UserName struct {
	Name string
}

func NewUserName(name string) *UserName

func (u UserName) Apply(user *User)

type UserOption interface {
	Apply(*User)
}