Go语言的单例模式(Singleton)

package singleton

 

import "fmt"

 

var _instance *object

 

type object struct {

    name string

}

 

func Instance() *object {

   if _instance == nil {

       _instance = new(object)

   }

   return _instance

}

 

func (p *object) Setname(name string) {

    p.name = name

}

 

func (p *object) Say() {

    fmt.Println(p.name)

}