Why doesn't the catch block receive the exception, and what happens instead? #include #include void Foo() noexcept { throw std::runtime_error( "oops" ); } int main() { try { Foo(); } catch (...) { std::cout

Question

Why doesn't the catch block receive the exception, and what happens instead? #include #include void Foo() noexcept { throw std::runtime_error( "oops" ); } int main() { try { Foo(); } catch (...) { std::cout << "caught" ; } }

Answer

The exception occurs before entering the try block

Answer

catch(...) cannot catch std::runtime_error - a typed catch is required

Answer

Violating the noexcept contract causes std::terminate() to be called

Answer

The compiler removes the throw inside noexcept as an optimization

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Why doesn't the catch block receive the exception, and what happens instead? ...

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