Answer the following statements true (T) or false (F)

Question

1. If I have already written the```
#include
```header, I can overload
```
operator<< for
``````
class A
```as follows:
2. You have a helping function that is not a member of your class. You want your class
member functions to be able to see it and use it but no other file in your program may
see it. You can place it in an unnamed namespace to make it invisible from outside the file.
3. Namespaces may not be nested.
4. During name resolution, nested namespaces behave like nested blocks.

Answer 1

1. True
2. True
3. False
4. True