Re: 陳銘憲計程考古題code 4

[wanderer (溪山清靜且停停)]

※ 引述《OLLEJ (今生有憾此恨無悔)》之銘言：
: ※ 引述《wanderer (靜心)》之銘言：
: #include <iostream.h>
: #include <stdlib.h>
: class MyInt{
:    friend ostream& operator <<(ostream& os, const MyInt& x);
: private:
:    int data;
: public:
:    MyInt(int value=0){
:       data = value;
:       cout<<"MyInt:"<<data<<endl;
:    }
:    ~MyInt(){
:       cout<<"~MyInt:"<<data<<endl;
:    }
:    MyInt(const MyInt& b){
:       data = b.data-1;
:       cout<<"MyInt(const MyInt&)"<<data<<endl;
:    }
:    MyInt& operator=(MyInt& b){
:       int temp = data;
:       data=b.data; b.data = temp;
:       return b;
:    }
:    operator int(){return data+1;}
: };
: ostream& operator<<(ostream& os, const MyInt& x}{
                                                 ^ 這邊我打錯了..
:    return os<<x.data-1;
: }
: int main()
: {
:    MyInt a(17),b=10,c=a,d;
:    (b=a)=(d=c);
:    cout<<a<<","<<(int)b<<","<<(int)c<<","<<d<<endl;
:       return 0;
: }

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