Method Carton

Examples/NoModules/Chapter 14/Ex14_05/Carton.h:14–16

public:
  Carton(double length, double width, double height, std::string_view mat)
     : Box{length, width, height}, m_material{mat}
     { std::cout << "Carton(double,double,double,string_view) called.\n"; }

private:
  std::string m_material {"Cardboard"};