//====================== start of sample.cpp - Ответ на вопрос по любому предмету №1251398

Вопрос

 //====================== start of sample.cpp ========================== class ARef { public: ARef(A &a, int i) : _a(a), _ix(i) {} ARef& operator= (T t) { return *this;} operator T() {return _t;} operator A() {return _a;} A& getA() { return _a;} bool operator == (A& a) {return _a == a;} private: A& _a; int _ix; T _t; }; class A { friend class ARef; public: A() {} ARef operator[] (int ix) {return ARef(*this, ix);} operator ARef() {return ARef(*this, ix);} }; int main() { A a; int i, j; T t; t = a[j]; return 0; } //====================== end of sample.cpp ========================== 

• ARef::operator= (T t);
• ARef::operator T();
• ARef::operator A();
• ARef A::operator[] (int ix)
• A::operator ARef();

Ответ