C++ Programming: A Practical Approach

Ans. Yes. Even function names in namespace ABC and DEF are same; both these functions can be

referred as follows:

ABC::f1(); // f1() defi ned in ABC

ABC::DEF::f1(); // f1() defi ned in namespace ABC::DEF

3.34 Is it possible to give an alternate name to namespace?

Ans. Yes.

namespace a1=ABC;

namespace ABC can be referred by namespace a1. Generally, alias to the namespace is given when

the namespace name is lengthy.

3.35 Can I de ne namespace inside a function as follows?

void fun()

{

bool fun1();

………………………..

namespace ABC // Namespace defi nition inside function

{

…………………..

}

}

No. namespace can be defined only globally.

3.36 Can I de ne unnamed namespace ...