Bring only a few names into the global namespace : global namespace « Language Basics « C++ Tutorial

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C++ Tutorial » Language Basics » global namespace

1.10.2.Bring only a few names into the global namespace

#include <iostream>



// gain access to cout, cin, and hex

using std::cout;

using std::cin;

using std::hex;



int main()

{

  int val;



  cout << "Enter a number: ";



  cin >> val;

  cout << "This is your number: ";

  cout << hex << val; 

  return 0;

}

Enter a number: 1
This is your number: 1

1.10.global namespace
	1.10.1.	Use explicit std:: qualification
	1.10.2.	Bring only a few names into the global namespace

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