Use namespaces to wrap variables : NameSpace « Language « C++

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C++ » Language » NameSpaceScreenshots 
Use namespaces to wrap variables
  
#include <iostream>
using namespace std;

namespace first
{
  int var = 5;
}

namespace second
{
  double var = 3.1416;
}

int main () {
  cout << first::var << endl;
  cout << second::var << endl;
  return 0;
}
  
    
  
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