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#ifndef _EXAMPLE_H_
#define _EXAMPLE_H_
#include <vector>
#include <string>
class Animal
{
protected:
std::string name_;
public:
// Construct an animal with a name
Animal(const char* name);
// Destruct an animal
~Animal();
// Return the animal's name
const char* get_name() const;
};
class Zoo
{
private:
typedef std::vector<Animal*> AnimalsType;
typedef AnimalsType::iterator IterType;
protected:
AnimalsType animals;
public:
Zoo();
~Zoo();
/* Create a new animal */
static Animal* create_animal(const char* name);
/* Add a new animal to the zoo */
void add_animal(Animal* animal);
/* Remove an animal from the zoo */
Animal* remove_animal(size_t i);
/* Return the number of animals in the zoo */
size_t get_num_animals() const;
/* Return a pointer to the ith animal */
Animal* get_animal(size_t i) const;
};
#endif /*_EXAMPLE_H_*/
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