51 lines
1.0 KiB
C++
51 lines
1.0 KiB
C++
#include <memory>
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namespace clanguml {
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namespace t00021 {
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class A;
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class B;
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class Visitor {
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public:
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virtual ~Visitor() = default;
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virtual void visit_A(const A &item) const = 0;
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virtual void visit_B(const B &item) const = 0;
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};
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class Visitor1 : public Visitor {
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public:
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void visit_A(const A &item) const override { }
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void visit_B(const B &item) const override { }
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};
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class Visitor2 : public Visitor {
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public:
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void visit_A(const A &item) const override { }
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void visit_B(const B &item) const override { }
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};
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class Visitor3 : public Visitor {
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public:
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void visit_A(const A &item) const override { }
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void visit_B(const B &item) const override { }
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};
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class Item {
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public:
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virtual ~Item() = default;
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virtual void accept(const Visitor &visitor) const = 0;
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};
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class A : public Item {
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public:
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void accept(const Visitor &visitor) const override { }
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};
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class B : public Item {
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public:
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void accept(const Visitor &visitor) const override { }
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};
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} // namespace t00021
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} // namespace clanguml
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