Using the scope resolution operator (2) : block scope variable « Language Basics « C++ Tutorial

1. C++ Tutorial
2. Language Basics
3. block scope variable

#include <iostream>
#include <ostream>

namespace n {
  struct counter {
    static int n;
  };
  double n = 2.8;
}

int n::counter::n = 7; 

int main()
{
  int counter = 0;    
  int n = 10;         

  std::cout << n::counter::n; 
  std::cout << n::n;          
  //std::cout << x.n;           
  std::cout << n;             
  std::cout << counter;       
}