#include <iostream>
#include <string>

using namespace std;

int main()
{
	string myString = "hello";
	cout << "1: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString = "";
	cout << "2: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString = "world";
	cout << "3: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString.erase();
	cout << "4: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString = "how are";
	cout << "5: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString = '\0'; // will result in a length of 1, std::string doesn't need to be zero terminated
	cout << "6: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString = "\0hello"; // this will, however, result in a length of 0
	cout << "7: " << myString << "\nlength: " << myString.length() << endl << endl;

	myString = "you?";
	cout << "8: " << myString << "\nlength: " << myString.length() << endl << endl;

	//myString = NULL; // Beside the fact that std::string manages its own memory, this will result in an ambigious overload of the = operator
	cout << "9: " << myString << "\nlength: " << myString.length() << endl << endl;

	return 0;
}