Public Member Functions
const char * what () const noexcept
Exception class thrown when class template function's operator() is called with an empty target.
Definition at line 54 of file functional.
Member Function Documentation
const char * std::bad_function_call::what () const [virtual], [noexcept]
Returns a C-style character string describing the general cause of the current error.
Reimplemented from std::exception.
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