package main

import (
    "fmt"
    "reflect"
)

type Person struct {
    Name string
    Age  int
}

func main() {
    p := Person{"Janis", 25}
    fmt.Print(p, "("+reflect.TypeOf(p).String()+")\n")
    printPerson(&p)
    updatePerson(&p)
    printPerson(&p)
}

func printPerson(n *Person) {
    fmt.Printf("Name: %s, Age: %d \n", n.Name, n.Age)
}

func updatePerson(n *Person) {
    n.Age = 26
    printPerson(n)
}
=========================================
package main

import (
    "fmt"
    "reflect"
)

type Person struct {
    Name string
    Age  int
}

func main() {
    p := &Person{"Janis", 25}
    fmt.Print(p, "("+reflect.TypeOf(p).String()+")\n")
    printPerson(p)
    updatePerson(p)
    printPerson(p)
}

func printPerson(n *Person) {
    fmt.Printf("Name: %s, Age: %d \n", n.Name, n.Age)
}

func updatePerson(n *Person) {
    n.Age = 26
    printPerson(n)
}
=========================================
{Janis 25}(main.Person)
Name: Janis, Age: 25
Name: Janis, Age: 26
Name: Janis, Age: 26