auto

    技术2022-05-18  13

    #include "stdafx.h" #include <iostream> #include <memory> using namespace std; template <class T> ostream& operator<< (ostream &strm, const auto_ptr<T>& p) { if (p.get() == NULL) { strm << "NULL"; } else { strm << *p; } return strm; } int main() { auto_ptr<int> p(new int(42)); auto_ptr<int> q; cout << "After the Initialized :" << endl; cout << "p: " << p << endl; cout << "q: " << q << endl; q = p; cout << "After assigned the auto pointers :" << endl; cout << "p: " << p << endl; cout << "q: " << q << endl; *q += 13; p = q; cout << "After the changed and reassignment :" << endl; cout << "p: " << p << endl; cout << "q: " << q << endl; return 0; }


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