File: unary-static-assert.rst

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.. title:: clang-tidy - modernize-unary-static-assert

modernize-unary-static-assert
=============================

The check diagnoses any ``static_assert`` declaration with an empty string literal
and provides a fix-it to replace the declaration with a single-argument ``static_assert`` declaration.

The check is only applicable for C++17 and later code.

The following code:

.. code-block:: c++

  void f_textless(int a) {
    static_assert(sizeof(a) <= 10, "");
  }

is replaced by:

.. code-block:: c++

  void f_textless(int a) {
    static_assert(sizeof(a) <= 10);
  }