clang-tools-extra/docs/clang-tidy/checks/misc-unused-using-decls.rst


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.. title:: clang-tidy - misc-unused-using-decls

misc-unused-using-decls
=======================

Finds unused ``using`` declarations.

Example:

.. code-block:: c++

  namespace n { class C; }
  using n::C;  // Never actually used.