[go学习笔记]十四、扩展与复用

扩展与复用

package extension

import (
	"fmt"
	"testing"
)

type Pet struct {
}

func (p *Pet) Speak() {
	fmt.Print("...")
}

func (p *Pet) SpeakTo(host string) {
	p.Speak()
	fmt.Println(" ", host)
}

type Dog struct {
	p *Pet
}

func (d *Dog) Speak() {
	fmt.Print("Wang!")
}

func (d *Dog) SpeakTo(host string) {
	d.Speak()
	fmt.Println(" ", host)
}

func TestDog(t *testing.T)  {
	dog:=new(Dog)
	dog.SpeakTo("nikko")
}

输出

=== RUN   TestDog
Wang!  nikko
--- PASS: TestDog (0.00s)
PASS

Process finished with exit code 0

示例代码请访问： github.com/wenjianzhan…