File: use-to-string.rst

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.. title:: clang-tidy - boost-use-to-string

boost-use-to-string
===================

This check finds conversion from integer type like ``int`` to ``std::string`` or
``std::wstring`` using ``boost::lexical_cast``, and replace it with calls to
``std::to_string`` and ``std::to_wstring``.

It doesn't replace conversion from floating points despite the ``to_string``
overloads, because it would change the behavior.


.. code-block:: c++

    auto str = boost::lexical_cast<std::string>(42);
    auto wstr = boost::lexical_cast<std::wstring>(2137LL);

    // Will be changed to
    auto str = std::to_string(42);
    auto wstr = std::to_wstring(2137LL);