Function main

Examples/Modules/Chapter 12/Ex12_18/Ex12_18.cpp:6–59

import <iostream>;

int main()  
{
  Truckload load1;  // Create an empty list

  // Add 12 random Box objects to the list
  const size_t boxCount {12};
  for (size_t i {} ; i < boxCount ; ++i)
    load1.addBox(randomSharedBox());

  std::cout << "The first list:\n";
  load1.listBoxes();

  // Copy the truckload
  Truckload copy{load1};
  std::cout << "The copied truckload:\n";
  copy.listBoxes();

  // Find the largest Box in the list
  SharedBox largestBox{load1.getFirstBox()};

  SharedBox nextBox{load1.getNextBox()};
  while (nextBox)
  {
    if (nextBox->compare(*largestBox) > 0)
      largestBox = nextBox;
    nextBox = load1.getNextBox();
  }

  std::cout << "\nThe largest box in the first list is ";
  largestBox->listBox();
  std::cout << std::endl;
  load1.removeBox(largestBox);
  std::cout << "\nAfter deleting the largest box, the list contains:\n";
  load1.listBoxes();

  const size_t nBoxes {20};            // Number of vector elements
  std::vector<SharedBox> boxes;        // Array of Box objects

  for (size_t i {} ; i < nBoxes ; ++i)
    boxes.push_back(randomSharedBox());

  Truckload load2{boxes};
  std::cout << "\nThe second list:\n";
  load2.listBoxes();

  auto smallestBox{ load2.getFirstBox() };
  for (auto box{ load2.getNextBox() }; box; box = load2.getNextBox())
    if (box->compare(*smallestBox) < 0)
      smallestBox = box;

  std::cout << "\nThe smallest box in the second list is ";
  smallestBox->listBox();
  std::cout << std::endl;
}