Golang prototype

person_example.go

package main

import "fmt"

type person struct {
	firstName string
	lastName  string
	age       float32
	id        int
}

type student struct {
	person
	gradeAverage float32
	classes      []string
}

func (p person) sayHi() {
	fmt.Println(`Hi`)
}

func (p person) greet() {
	fmt.Println(`Hi, I'm`, p.firstName, p.lastName)
}

func (s student) greet() {
	fmt.Println(`Hi, I'm a student`, s.firstName)
}

func (s student) getAvgGrade() float32 {
	return s.gradeAverage
}

func main() {
	tmpP := person{
		firstName: "John",
		lastName:  "Smith",
		age:       50,
		id:        1234,
	}
	tmpP.sayHi()
	tmpP.greet()

	// Create student
	tmpStudent := student{
		person{
			"Johnny",
			"Smithy",
			16,
			3333,
		},
		83.56,
		[]string{"Math", "English", "CS"},
	}
	fmt.Println(tmpStudent.getAvgGrade())
}

Simple GoLang prototype