Item 39. Namespaces, Part 1: Using-Declarations and Using-Directives

I l @ ve RuBoard

Difficulty: 2

Standard C++ includes support for namespaces and name visibility control with using-declarations and using-directives. This Item provides a quick recap, laying the groundwork for the next Item's practical application.

What are using-declarations and using-directives, and how are they used? Give examples . Which is order-dependent?

I l @ ve RuBoard