#include <iostream>

using namespace std;

class CString
{
public:
    CString(){}
    CString(const string& str)
    {
    	m_str = str;
    	cout << "생성자:" << m_str << endl;
    }
    ~CString(){}

	string m_str;
	
    string& operator= (const string& str)
    {
    	m_str = str;
    	cout << "operator=" << m_str << endl;
    }
};

int main()
{
	CString str("test");
	str = "abc";
    return 0;
}