Reference Counted String Class (2 of 4)

class my_string {

public:

my_string() { st = new str_obj; }

my_string(const char* p)  { st = new str_obj(p); } my_string(const my_string& str)

{ st = str.st; st -> ref_cnt++; }

~my_string();

void assign(const my_string& str);

void print() const { cout << st -> s; }

private:

str_obj* st;

};

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