28 lines
348 B
C++
28 lines
348 B
C++
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#ifndef SUBJECT_H
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#define SUBJECT_H
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class Observer;
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#include <set>
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class Hint {
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public:
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virtual ~Hint() {}
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};
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class Subject {
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public:
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typedef std::set<Observer *> ObsList;
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void attach(Observer &obs);
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protected:
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void notify(const Hint &) const;
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private:
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ObsList myObservers;
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};
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#endif
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