compiler-warning-level-4-c4515.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: Compiler Warning (level 4) C4515	Compiler Warning (level 4) C4515	11/04/2016	C4515	C4515	167b5177-3f89-418b-b6c8-7de634f6b28f

Compiler Warning (level 4) C4515

'namespace' : namespace uses itself

A namespace is used recursively.

The following sample generates C4515:

// C4515.cpp
// compile with: /W4
namespace A
{
   using namespace A; // C4515
}

int main()
{
}