运行
格式化
停止
分享
赞助
package main import "fmt" type Tester struct { s interface { String() string } } type User struct { id int name string } func (self *User) String() string { return fmt.Sprintf("user %d, %s", self.id, self.name) } func main() { t := Tester{&User{1, "Tom"}} fmt.Println(t.s.String()) }
