libstdc++
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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::ios_base::failure, std::bad_typeid, std::bad_cast, std::runtime_error, std::future_error, std::bad_exception, std::logic_error, std::bad_alloc, and std::bad_weak_ptr.