```
~~~
package main
import (
"fmt"
"time"
"strconv"
)
func (person Person) FmtPerson() {
fmt.Println(person.name, person.age, person.sex)
}
func (person *Person) nextAge() {
var age int64 = 1
person.age += age
}
func (apple Apple) totalPrice() int64 {
return apple.quantity * apple.price
}
func (apple Apple) goodsInfo() string {
return "您購買了" + strconv.FormatInt(apple.quantity, 10) + "個" + apple.name + "共計: " + strconv.FormatInt(apple.totalPrice(), 10) + "元"
}
func (pear Pear) totalPrice() int64 {
return pear.quantity * pear.price
}
func (pear Pear) goodsInfo() string {
return "您購買了" + strconv.FormatInt(pear.quantity, 10) + "個" + pear.name + "共計: " + strconv.FormatInt(pear.totalPrice(), 10) + "元"
}
func formatOrderInfo(goods []Good) int64 {
var price int64
for _, item := range goods {
price += item.totalPrice()
fmt.Println(item.goodsInfo())
}
return price
}
func myInterface(inter interface{}) {
fmt.Println(inter)
}
func myInterfaceList(inter ...interface{}) {
for _, item := range inter {
fmt.Println(item)
}
}
func mygo(name string) {
for i:= 0; i < 10; i++ {
fmt.Println(name, i)
time.Sleep(10 * time.Millisecond)
}
}
~~~
```
