Question

error C2600: "Ss::operator =": 不能定义编译器生成的特殊成员函数(必须首先在类中声明)

#include <iostream>
#include <string>
using namespace std;
class Ss{
char *ptr;
public:
Ss(char * s)
{ ptr=new char[strlen(s)+1];
strcpy_s(ptr,8,s);
}
~Ss( ) { delete ptr; }
Ss & operator=(const string & );
void print( ) { cout<<ptr<<endl; }
};
Ss & Ss::operator=(const Ss &s )
{
if(this==&s) return *this;
delete ptr; ptr=new char[strlen(s.ptr)+1];
strcpy(ptr,s.ptr); return *this;
}
void main(){
Ss p1("Hello");
{
Ss p2("chong qing");
p2=p1;
cout<<"p2:";
p2.print();
}
cout<<"p1:";
p1.print();
}
我是用VC2010编译的

Answer 1

class Ss
{
    char *ptr;
public:
    Ss(char * s)
    {	
        ptr=new char[strlen(s)+1];
	strcpy_s(ptr,8,s);
    }
    ~Ss() { delete ptr; }
    Ss & operator=(const Ss& );// 这里你的声明改成Ss就好了
    void print( ) { cout<<ptr<<endl; }
};