What are the best practices for using namespaces in C++?

What are the best practices for using namespaces in C++?

Some best practices include using namespaces to avoid name collisions, keeping them small, and using them to group related functions.

Can you explain why it's important to avoid name collisions?

Avoiding name collisions is crucial because it prevents ambiguity in your code, making it easier to read and maintain.

What about nested namespaces? Are they a good idea?

Nested namespaces can be useful for organizing code, but they can also make it more complex. Use them judiciously.

How do I declare a namespace in C++?

You can declare a namespace using the namespace keyword followed by the name, like this: namespace MyNamespace { /* code */ }.