clang-tools-extra/docs/clang-tidy/checks/google-build-using-namespace.rst


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.. title:: clang-tidy - google-build-using-namespace

google-build-using-namespace
============================


Finds using namespace directives.

https://google.github.io/styleguide/cppguide.html#Namespaces

The check implements the following rule of the Google C++ Style Guide:

  You may not use a using-directive to make all names from a namespace
  available.

  .. code:: c++

    // Forbidden -- This pollutes the namespace.
    using namespace foo;

Corresponding cpplint.py check name: ``build/namespaces``.