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struct.go
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struct.go
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package main
import (
"fmt"
)
//type person struct{
// Name string
// Age int
//}
//func main(){
// a := person{}
// fmt.Println(a)//{ 0} string默认空字符串 int默认0
//}
//type person struct {
// Name string
// Age int
//}
//func main() {
// a := person{}
// a.Name = "joe"
// a.Age = 19
// fmt.Println(a) //{joe 19}
//}
//type person struct {
// Name string
// Age int
//}
//func main() {
// a := person{
// Name: "joe",
// Age: 19,
// }
// fmt.Println(a) //{joe 19}
//}
//type person struct{
// Name string
// Age int
//}
//func main(){
// a := person{
// Name:"joe",
// Age:19,
// }
// fmt.Println(a)
// A(&a)
// A(&a)
// fmt.Println(a)
//}
//func A(per *person){//接收产品名字per ，类型persong
// per.Age = 13
// fmt.Println("A",per)
//}
//func B(per *person){//接收产品名字per ，类型persong
// per.Age = 15
// fmt.Println("A",per)
//}
//type person struct{
// Name string
// Age int
//}
//func main(){
// a := &person{
// Name:"joe",
// Age:19,
// }
// a.Name="ok"
// fmt.Println(a)
// A(a)
// A(a)
// fmt.Println(a)
//}
//func A(per *person){//接收产品名字per ，类型persong
// per.Age = 13
// fmt.Println("A",per)
//}
//func B(per *person){//接收产品名字per ，类型persong
// per.Age = 15
// fmt.Println("A",per)
//}
//func main(){
// a := struct{
// Name string
// Age int
// }{
// Name:"job",
// Age:19,
// }
// fmt.Println(a)//{job 19}
//}
//func main(){
// a := &struct{
// Name string
// Age int
// }{
// Name:"job",
// Age:19,
// }
// fmt.Println(a)//&{job 19}
//}
//type person struct{
// Name string
// Age int
// Contact struct{
// Phone,City string
// }
//}
//func main(){
// a := person{}
// fmt.Println(a)//{ 0 { }}
//}
//type person struct {
// Name string
// Age int
// Contact struct {
// Phone, City string
// }
//}
//func main() {
// a := person{Name: "joe", Age: 19}
// a.Contact.Phone = "1235456456"
// a.Contact.City = "beijing"
// fmt.Println(a) //{joe 19 {1235456456 beijing}}
//}
//type person struct {
// string
// int
//}
//func main() {
// a := person{"joe", 19}
// fmt.Println(a) //{joe 19}
//}
type human struct {
Sex int
}
type teacher struct {
human
Name string
Age int
}
type student struct {
human
Name string
Age int
}
func main() {
a := teacher{Name: "joe", Age: 19, human: human{Sex: 0}}
b := student{Name: "joe", Age: 20, human: human{Sex: 1}}
a.Name = "joe2"
a.Age = 13
a.human.Sex = 100
fmt.Println(a, b)//{{100} joe2 13} {{1} joe 20}
}