#ifndef MYSTRING_H
#define MYSTRING_H
#include <iostream>  //for class ostream
#include <cstddef>   //for the data type size_t
using namespace std;

class mystring {
	size_t n;   //number of bytes in the block of memory
	char *p;    //points to the first byte in the block of memory

public:
	mystring(const char *initial_p);    //plain old constructor
	mystring(const mystring& another);  //"copy" constructor
	~mystring() {delete[] p;}           //destructor
	
	mystring& operator=(const mystring& another);

	char operator[](size_t i) const;  //member func of const mystring object
	char& operator[](size_t i);       //member func of mystring object
					    
	friend ostream& operator<<(ostream& ost, const mystring& s) {
		return ost << s.p;
	}
};
#endif