libstdc++
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Exception class thrown when class template function's operator() is called with an empty target. More...
Exception class thrown when class template function's operator() is called with an empty target.
Definition at line 1633 of file functional.
virtual const char* std::exception::what | ( | ) | const [virtual, inherited] |
Returns a C-style character string describing the general cause of the current error.
Reimplemented in std::bad_exception, std::bad_alloc, std::bad_cast, std::bad_typeid, std::future_error, std::logic_error, std::runtime_error, std::ios_base::failure, and std::bad_weak_ptr.