go语言单例模式(Singleton)实例分析

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)
}