# Companies have Employees, and Employees have Addresses

$ Company = Struct.new(:name, :employees, keyword_init: true)
=> Company(keyword_init: true)

$ Employee = Struct.new(:first_name, :last_name, :address, keyword_init: true)
=> Employee(keyword_init: true)

$ Address = Struct.new(:street, :city, :state, :zip, keyword_init: true)
=> Address(keyword_init: true)

$ address = Address.new(street: "2035 W. Wabansia", city: "Chicago", state: "Illinois", zip: 60649)
=> #<struct Address street="2035 W. Wabansia", city="Chicago", state="Illinois", zip=60649>

$ employee = Employee.new(first_name: "Eryan", last_name: "Cobham", address: address)
=> #<struct Employee first_name="Eryan", last_name="Cobham", address=#<struct Address street="2035 W. Wabansia", city="Chicago", state="Illinois", zip=60649>>

$ company = Company.new(name: "Devmynd", employees: [employee])
=> #<struct Company name="Devmynd", employees=[#<struct Employee first_name="Eryan", last_name="Cobham", address=#<struct Address street="2035 W. Wabansia", city="Chicago", state="Illinois", zip=60649>>]>

$ state = company.dig(:employees, 0, :address, :state)
=> "Illinois"