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zzahkj

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[ÇóÖú] C++ ÔËÐгöÏÖDebug Assertion FailedµÄ´íÎó£¿

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CODE:
#include
#include

class MyClass
{
public:
        MyClass(int *p);
        MyClass(const MyClass &rhs);
        ~MyClass();

        MyClass &operator=(const MyClass &rhs);
        void print();
private:
        int *ptr;
};

MyClass::MyClass(int *p)
{
        std::cout << "½øÈëÖ÷¹¹ÔìÆ÷\n";
        ptr = p;
        std::cout << "À뿪Ö÷¹¹ÔìÆ÷\n";
}

MyClass::MyClass(const MyClass &rhs)
{
        std::cout << "½øÈ븱±¾¹¹ÔìÆ÷\n";
        *this = rhs;
        std::cout << "À뿪¸±±¾¹¹ÔìÆ÷\n";
}

MyClass::~MyClass()
{
        std::cout << "½øÈëÎö¹¹Æ÷\n";
        delete ptr;
        std::cout << "À뿪Îö¹¹Æ÷\n";
}

MyClass &MyClass::operator =(const MyClass &rhs)
{
        std::cout << "½øÈ븳ֵÓï¾äÖØÔØ\n";
        if (this != &rhs )
        {
                delete ptr;

                ptr = new int;
                *ptr = *rhs.ptr;
        }
        else
        {
                std::cout << "¸³ÖµºÅÁ½±ßΪͬ¸ö¶ÔÏ󣬲»×ö´¦Àí!\n"; //obj1=obj1;
        }

        std::cout << "À뿪¸³ÖµÓï¾äÖØÔØ\n";

        return *this;
}

void MyClass::print()
{
        std::cout << *ptr << std::endl;
}

int main()
{
        MyClass obj1(new int(1));
        MyClass obj2(new int(2));
        obj2=obj1;
        obj1.print();
        obj2.print();

        std::cout << "---------------------------\n";

        MyClass obj3(new int(3));
        MyClass obj4 =obj3;
        obj3.print();
        obj4.print();

        std::cout << "---------------------------\n";

        MyClass obj5(new int(5));
        obj5 = obj5;
        obj5.print();

        return 0;
}

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CODE:
½øÈ븳ֵÓï¾äÖØÔØ
À뿪¸³ÖµÓï¾äÖØÔØ
À뿪¸±±¾¹¹ÔìÆ÷
3
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½øÈ븳ֵÓï¾äÖØÔØ
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5
½øÈëÎö¹¹Æ÷
À뿪Îö¹¹Æ÷
½øÈëÎö¹¹Æ÷
À뿪Îö¹¹Æ÷
½øÈëÎö¹¹Æ÷
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½øÈëÎö¹¹Æ÷
À뿪Îö¹¹Æ÷
½øÈëÎö¹¹Æ÷
À뿪Îö¹¹Æ÷

Process returned 0 (0x0)   execution time : 0.060 s
Press any key to continue.

matlab/VB/python/c++/Javaд³ÌÐòÇë·¢QQÓʼþ:790404545@qq.com
2Â¥2012-10-12 17:16:27
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zzahkj

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ÒýÓûØÌû:
2Â¥: Originally posted by libralibra at 2012-10-12 17:16:27
ʲô±àÒëÆ÷?ΪʲôÎÒÔËÐÐû³ö´í?vs2008

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         std::cout << "À뿪¸±±¾¹¹ÔìÆ÷\n";
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