Anonymous field of "inherited" struct in Go

// code_016_anonymous_field project main.gopackage mainimport ( "fmt")type Person struct { name string sex byte age int}type Student struct { // 一般情况下，定义结构体的时候，字段名和类型一一对应，如下:Person为类型，并无字段名。 Person //匿名字段,name默认Student就包含了Person的所有字段。 id int addr string}func main() { //顺序初始化 s1 := Student{Person{"ck_god", 1, 18}, 1, "sz"} fmt.Printf("s1=%+v\n", s1) //部分成员初始化1 s2 := Student{Person: Person{"xiaobai", 0, 20}, id: 2, addr: "sz"} //部分成员初始化2 s3 := Student{Person: Person{name: "kavai"}, id: 3} fmt.Println(s2, s3) //访问成员变量 var s4 Student s4.name = "ck_god" s4.sex = 1 s4.age = 18 s4.id = 1 s4.addr = "sz" fmt.Println(s4) //访问成员变量2 var s5 Student s5.Person = Person{"god_girl", 1, 23} s5.id = 2 s5.addr = "wz" fmt.Println(s5)}

s1={Person:{name:ck_god sex:1 age:18} id:1 addr:sz}{{xiaobai 0 20} 2 sz} {{kavai 0 0} 3 }{{ck_god 1 18} 1 sz}{{god_girl 1 23} 2 wz}

Anonymous field of "inherited" struct in Go