c++ namespace

A namespace is a declarative region that provides a scope to the identifiers (names of types, function, variables, etc) inside it. In C++, namespaces are used to organize code into logical groups and prevent naming conflicts. To define a namespace, use the "namespace" keyword followed by the namespace name and the code inside curly braces. To access the elements of a namespace, use the scope resolution operator "::". For example, if there is a namespace called "myNamespace" and it contains a function called "myFunction", you would access it as "myNamespace::myFunction". Namespaces can be nested within other namespaces, and they can be split over several parts of the code. This allows for better organization and management of the codebase.