Structs and maps demo

To Run go run main.go maps-eg.go

Declaration of a struct

    type person struct{
            f_name string
            l_prop2 int
            ...
            propn int
        }

Methods to initialize a struct

1. user1 := person{"Vir", "li", ..., propVal}}

2. Method #2

   user2 := person{
   	firstName: "John",
   	lastName:  "Doe",
   }

3. Method #3

   var user3 person
   // fmt.Printf("%+v", user3) // display props name
   user3.firstName = "FirstNAME"
   user3.lastName = "LastNAME"
   user3.contact.email = "ankso@ankso.com" // if it has nested strct
   user3.contact.zipCode = 12322