Enclosure variables with namespace

  
#include <iostream>
using namespace std;

namespace first
{
  int x = 5;
  int y = 10;
}

namespace second
{
  double x = 3.1416;
  double y = 2.7183;
}

int main () {
  using first::x;
  using second::y;
  cout << x << endl;
  cout << y << endl;
  cout << first::y << endl;
  cout << second::x << endl;
  return 0;
}

Related examples in the same category

1.	Namespace Demo: define a namespace
2.	Namespaces are additive
3.	Demonstrate a namespace
4.	Some Namespace Options
5.	A namespace can be nested within another
6.	use explicit std:: qualification.
7.	Using namespace to reference variables
8.	Namespace code section
9.	Use namespaces to wrap variables
10.	Defines and tests namespaces.

Enclosure variables with namespace : NameSpace « Language « C++

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