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.. title:: clang-tidy - hicpp-exception-baseclass
hicpp-exception-baseclass
=========================
Ensure that every value that in a ``throw`` expression is an instance of
``std::exception``.
This enforces `rule 15.1 <http://www.codingstandard.com/section/15-1-throwing-an-exception/>`_
of the High Integrity C++ Coding Standard.
.. code-block:: c++
class custom_exception {};
void throwing() noexcept(false) {
// Problematic throw expressions.
throw int(42);
throw custom_exception();
}
class mathematical_error : public std::exception {};
void throwing2() noexcept(false) {
// These kind of throws are ok.
throw mathematical_error();
throw std::runtime_error();
throw std::exception();
}
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