C++??小??
???????????? ???????[ 2012/8/10 9:43:24 ] ????????
class Base
{
public:
Base(const char *s=NULL);
Base(const Base& rth);
Base & operator=(const Base & oth);
virtual ~Base();
private:
char *m_data;
};
Base::Base(const char* s)
{
if(s==NULL)
{
m_data=new char[1];
m_data[0]='