This program helps understand string initializations.

moron.cpp

/*
  Execute the program as:
  g++ -std=c++11 file_name.cpp -o file_name
*/

#include <iostream>
#include <fstream>
#include <string>

using namespace std;

int main() {
    string str1{};
    string str1IsNull = (str1 == "\0") ? "True" : "False";


    cout << "str1 == Null Pointer ? " << str1IsNull << endl;
    cout << "Size of string at initialization is: " << sizeof(str1)
    	<< " bytes" << endl;
	cout << "Size of a int is: " << sizeof(int)
    	<< " bytes" << endl;

	return 0;
}