Method who

Exercises/Modules/Chapter 15/Soln15_04/Animals.cpp:22–25

Return string describing the animal

// Return string describing the animal
std::string Animal::who() const
{
  return "My name is " + getName() + ". My weight is " + std::to_string(getWeight()) + " lbs.";
}

void Animal::setWeight(unsigned weight)
{