Scope resolution

**Attila** · 03-20-2016

I've just started to study C++ and I have a question about scope resolution.

In the following code fragment, why do I have to use "ios_base" in the setf(). Is "showpos" not included in the "std" namespace?

Code:

#include <iostream>
using namespace std;


int main(void)
{
 cout.setf(ios_base::showpos);
 cout << 27 << endl;


 return 0;
}

**kmdv** · 03-20-2016

Originally Posted by Attila

In the following code fragment, why do I have to use "ios_base" in the setf(). Is "showpos" not included in the "std" namespace?

No, it is not (not directly). showpos is a member of the ios_base class. Without using namespace std, you would have to write:
- std::cout instead of cout,
- std::ios_base instead of ios_base,
etc.

**Attila** · 03-20-2016

Thanks a lot ... got it.

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