RobertLarson

class ZooIF {
public:
	virtual void EnterZooEarly(ZooPatron * patron) = 0;
	virtual void AttendAnimalShow(ZooPatron * patron) = 0;
};

RobertLarson

class ZooPatron {
public:
	ZooPatron(std::string name)
	: m_name(name) {}

	virtual ~ZooPatron() {}

	std::string GetName() { return m_name; }

RobertLarson

ZooGuest::ZooGuest(std::string name)
: ZooPatron(name)
{
}

ZooGuest::~ZooGuest() {
}

RobertLarson

class ZooGuest : public ZooPatron {
public:
	ZooGuest(std::string name);
	virtual ~ZooGuest();
	virtual bool HasAnimalShowAccess()
	{
		return false;
	}
	virtual bool HasEarlyAccess()

RobertLarson

ZooMember::ZooMember(std::string name)
: ZooPatron(name) {
}

ZooMember::~ZooMember() {
}

RobertLarson

class ZooMember : public ZooPatron {
public:
	ZooMember(std::string name);
	virtual ~ZooMember();

	virtual bool HasAnimalShowAccess()
	{
		return true;
	}
	virtual bool HasEarlyAccess()

RobertLarson

int main()
{
	MusicPlayer player;

	player.Play();
	player.Pause();
	player.Stop();

	return 0;

RobertLarson

StoppedState::StoppedState()
: MusicPlayerState(std::string("Stopped")) {
}

StoppedState::~StoppedState() {
}

void StoppedState::Play(MusicPlayer * player)
{

RobertLarson

class StoppedState : public MusicPlayerState {
public:
	StoppedState();
	virtual ~StoppedState();

	virtual void Play(MusicPlayer * player);
};

RobertLarson

PausedState::PausedState()
: MusicPlayerState(std::string("Paused")) {
}

PausedState::~PausedState() {
}

void PausedState::Play(MusicPlayer * player)
{