friend A& operator++(A& a)//前++ { a.data += 10; return a; }我想问的是,前面的friend A& 这个引用有什么意义吗?加和不加有什么区别吗?
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friend istream &operator>>
friend ostream & operator
friend Point operator +(const Point& a,const Point& b); 我是新手,不懂,越详细越好.
A.operator+(B)
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还有请问friend istream& operator >>(istream &,zhui &); 里istream是什么
friend istream&operator>>(istream &in,Point &p) ;friend istream&operator >>(istream &in,Point &p) ; 这里的&符号又是什么意思啊
'operator =' must be a member啥意思#includeclass String{public:String(char *str=NULL);friend void operator=(String&a,String&b);void show();private:char *name;};int main(){return 0;}编译提示:error C2801:'operator =' must be a member
friend A& operator++(A& a)//前++ { a.data += 10; return a; }我想问的是,前面的friend A& 这个引用有什么意义吗?加和不加有什么区别吗?
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C++错误之INTERNAL COMPILER ERROR源代码是:#includeusing namespace std;class complex{ float real,image;public: complex(float r=0,float i=0) {real=r;image=i;} void print(); friend complex operator+(complex a,complex b); friend complex operator-
is keyboard operator Tom's father a拼成句子
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''operator''是什么意思?
operator assist