Namespace in C++ | Set 1 (Introduction) - GeeksforGeeks
https://www.geeksforgeeks.org/namespace-in-c/
WebLast Updated : 27 Jan, 2023. Namespace provide the space where we can define or declare identifier i.e. variable, method, classes. Using namespace, you can define the space or context in which identifiers are defined i.e. variable, method, classes. In essence, a namespace defines a scope.
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