struct.go

package main
import (
    "fmt"
)
//struct的声明及初始化
type person struct {
    name string
    age  int
}


func main() {
    //This syntax creates a new struct.
    fmt.Println(person{"Bob", 20})
    //You can name the fields when initializing a struct.
    fmt.Println(person{name: "Alice", age: 30})
    //Omitted fields will be zero-valued.
    fmt.Println(person{name: "Fred"})
    //An & prefix yields a pointer to the struct.
    fmt.Println(&person{name: "Ann", age: 40})
    //Access struct fields with a dot.
    s := person{name: "Sean", age: 50}
    fmt.Println(s.name)
    //You can also use dots with struct pointers - the pointers are automatically dereferenced.
    sp := &s
    fmt.Println(sp.age)
    //Structs are mutable.
    sp.age = 51
    fmt.Println(sp.age)


}