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- #include <iostream>
- class B {
- public:
- B(const B &) = delete;
- B(int v) : val(v){};
- virtual ~B();
- int getVal() { return val; };
- private:
- int val;
- };
- class A {
- public:
- A() : val(10){};
- virtual ~A();
- auto &getVal() { return val; };
- private:
- B val;
- };
- int main(void) {
- A klass;
- auto val2 = klass.getVal();
- std::cout << val2->getVal() << std::endl;
- return 0;
- }
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