text: //===--- cheese.cpp - -------------------------------------------*- C++ -*-===//
  //
  //                     Head First Design Patterns
  //
  //
  //===----------------------------------------------------------------------===//
  ///
  /// \file
  /// \brief
  ///
  //===----------------------------------------------------------------------===//
  
  //https://google.github.io/styleguide/cppguide.html#Names_and_Order_of_Includes
  //dir2 / foo2.h.
  #include "cheese.hpp"
  //C system files.
  //C++ system files.
  #include <iostream>
  //Other libraries' .h files.
  //Your project's .h files.
  
  namespace headfirst {
  
  
    Cheese::~Cheese()
    {
      std::cout << "Cheese::~Cheese" << std::endl;
    }
  
  } //namespace headfirst
  