inlinerefs

type Address struct {
	Street  string `json:"street"`
	City    string `json:"city"`
	Country string `json:"country"`
}

type Contact struct {
	Email string `json:"email"`
	Phone string `json:"phone"`
}

type Customer struct {
	ID      int     `json:"id"`
	Name    string  `json:"name"`
	Address Address `json:"address"`
	Contact Contact `json:"contact"`
}