trying_out_go/cmd/playground/magazineSubscribers.go

// from chapter 8 of head first go
package main

import (
	"fmt"
	"trying_out_go/pkg/magazine"
)

func printInfo(s *magazine.Subscriber) {
	fmt.Println("Name:", s.Name)
	fmt.Println("Monthly rate:", s.Rate)
	fmt.Println("Active?:", s.Active)
}

func defaultSubscriber(name string) *magazine.Subscriber {
	s := magazine.Subscriber{
		Name:   name,
		Rate:   5.99,
		Active: true,
	}

	s.Street = "123 Oak St."
	s.City = "Omaha"
	s.State = "NE"
	s.PostalCode = "68111"

	return &s
}

// accept a point to modify original struct
func applyDiscount(s *magazine.Subscriber) {
	s.Rate = 4.99
}

func magazineSubscribers() {
	employee := magazine.Employee{Name: "Joy Carr", Salary: 60000}
	fmt.Println(employee.Name)
	fmt.Println(employee.Salary)
	subscriber := defaultSubscriber("Aman Singh")
	applyDiscount(subscriber)
	printInfo(subscriber)
	fmt.Println(subscriber.State)

	subscriber2 := defaultSubscriber("Beth Ryan")
	printInfo(subscriber2)
}