39 lines
779 B
C
39 lines
779 B
C
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#ifndef DUCKS_EXERCISES_VISITOR_H_
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#define DUCKS_EXERCISES_VISITOR_H_
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class Duck;
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class RubberDuck;
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class Mallard;
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class DecoyDuck;
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class SeaDuck;
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class Visitor {
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public:
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Visitor();
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virtual void visit(Duck* d);
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virtual void visit(RubberDuck* r);
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virtual void visit(Mallard* m);
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virtual void visit(DecoyDuck* dd);
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virtual void visit(SeaDuck* s);
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};
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class RealDuckReport : public Visitor {
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public:
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void visit(RubberDuck* r);
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void visit(Mallard* m);
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void visit(Duck* d);
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void visit(DecoyDuck* d);
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void visit(SeaDuck* s);
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};
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class FakeDuckReport : public Visitor {
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public:
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void visit(RubberDuck* r);
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void visit(Mallard* m);
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void visit(Duck* d);
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void visit(DecoyDuck* d);
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void visit(SeaDuck* s);
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};
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#endif
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