118.go

package main
 
 import "fmt"
 
 func main() {
     pointerUser := &User{
         name: "tio",
     }
     fmt.Println(pointerUser.name)
 
     pointerUser.ChangeNameByAtaiReceiver("iis")
     fmt.Println(pointerUser.name)
 
     pointerUser.ChangeNameByPointerReceiver("iis")
     fmt.Println(pointerUser.name)
 }
 
 type User struct {
     name string
 }
 
 func (u *User) ChangeNameByPointerReceiver(name string) {
     //レシーバが参照渡しなので、変更が反映される。
     u.name = name
 }
 
 func (u User) ChangeNameByAtaiReceiver(name string) {
     u.name = name
 }