Encapsulation.go

package main

import "fmt"

type Person struct { // abstract field
    name string
}

func (person *Person) setName(name string) { // Encapsulation method
    person.name = name
}

func (person *Person) GetInfo() { // Encapsulation method
    fmt.Println(person.name)
}

func main() {
    p := Person{"night guard"}
    p.setName("sam")
    p.GetInfo() // output new name
}