Nested UnNamed or Anonymous Namespaces

This video tutorial explains about the nested un-named namespaces or the anonymous namespaces in c++ programming.
You are gonna learn what are nested anonymous or unnamed namespaces, how to define a nested unnamed namespace, how to access the members of a nested unnamed namespace in detail with example.

source code for this tutorial

#include <iostream>

using namespace std;

int x;
namespace one{
    int x= 250;
void display(){
cout << x << endl;


int main()
 x = 100;
 cout << x <<endl;
 one :: display();
    return 0;