state_pattern

Documentation

Index

• type GreenState
• type RedState
• type State
• type TrafficLight
  • func NewTrafficLight() *TrafficLight
• type YellowState

Types

type GreenState

type GreenState struct {
}

GreenState 绿灯状态及方法实现

type RedState

type RedState struct {
}

RedState 红灯状态及方法实现

type State

type State interface {
	// contains filtered or unexported methods
}

State 接口定义了3个标准方法 注意每个方法的参数是交通灯TrafficLight

type TrafficLight

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

TrafficLight 交通信号灯

func NewTrafficLight

func NewTrafficLight() *TrafficLight

type YellowState

type YellowState struct {
}

YellowState 黄灯状态及方法实现