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#ifndef guard_general_observer_observer_observer_h
#define guard_general_observer_observer_observer_h
//==============================================================================
// General Code, © 2002 Ryan Winter
//==============================================================================
class Subject;
class Observer
{
public:
virtual ~Observer();
//--------------------------------------------------------------------------
// Description : Called by a subject that this observer is observing
// to signify a change in state
// Parameters : subject - the subject that changed
//--------------------------------------------------------------------------
virtual void update(Subject &subject) = 0;
};
//==============================================================================
//
// Summary : Observer side of the observer pattern
//
// Description :
//
//==============================================================================
#endif
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