message: Rename `pt` to `productType`
diff: #include <stdexcept>
  -void MapViewState::pullRobotFromFactory(ProductType pt, Factory& factory)
  +void MapViewState::pullRobotFromFactory(ProductType productType, Factory& factory)
  {
  const std::map<ProductType, Robot::Type> ProductTypeToRobotType
  {
  @@ -25,12 +25,12 @@ void MapViewState::pullRobotFromFactory(ProductType pt, Factory& factory)
  {ProductType::PRODUCT_MINER, Robot::Type::Miner},
  };
  - if (ProductTypeToRobotType.find(pt) == ProductTypeToRobotType.end())
  + if (ProductTypeToRobotType.find(productType) == ProductTypeToRobotType.end())
  {
  throw std::runtime_error("pullRobotFromFactory():: unsuitable robot type.");
  }
  - const auto robotType = ProductTypeToRobotType.at(pt);
  + const auto robotType = ProductTypeToRobotType.at(productType);
  RobotCommand* robotCommand = getAvailableRobotCommand();
  if ((robotCommand != nullptr) || mRobotPool.commandCapacityAvailable())
  