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Policy based smart pointer
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//Title of this code #include <iostream> template<typename T> class SmartPtr { private: T *p_; const T * getPtr() const { return p_; } T * getPtr() { return p_; } public: SmartPtr(T *p = NULL) : p_(p) { } SmartPtr(const SmartPtr &_ptr) { } const T * operator ->() const { return this->getPtr(); } T * operator ->() { return this->getPtr(); } const T & operator *() const { return this->getPtr(); } T & operator *() { return *this->getPtr(); } }; template<typename T> SmartPtr<T> make_smart(const T &val) { SmartPtr<T> ptr = new T(val); return ptr; } int main() { SmartPtr<int> ptr; std::cout<<*ptr<<'\n'; ptr = make_smart(3); std::cout<<*ptr<<'\n'; *ptr = 4; std::cout<<*ptr<<'\n'; }
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Compilation time: 0.51 sec, absolute running time: 0.07 sec, cpu time: 0 sec, memory peak: 3 Mb, absolute service time: 0.6 sec
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Error(s):
Invalid memory reference (SIGSEGV)