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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                ### 實例 通過下面的例子可以看的很明白,如果不使用引用語義的話,對結構體變量的修改是無法保存的. ~~~ type person struct { name string age int } func (p person) setInfoValue(n string, a int) { p.name = n p.age = a fmt.Println(p) fmt.Printf("%p\n", &p) } func (p *person) setInfoPointer(n string, a int) { p.name = n p.age = a fmt.Println(p) fmt.Printf("%p\n", p) } func main() { p1 := person{} fmt.Printf("%p\n", &p1) p1.setInfoValue("jack", 20) fmt.Println(p1) p2 := person{} fmt.Printf("%p\n", &p2) p2.setInfoPointer("milan", 30) fmt.Println(p2) } ~~~ ~~~ 0xc04204c3e0 {jack 20} 0xc04204c420 //和上面內存地址不一樣,證實是拷貝 { 0} 0xc04204c460 &{milan 30} 0xc04204c460 //和上面內存地址是一致的,證實是引用 {milan 30} ~~~
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