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    libstdc++
    
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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 1735 of file functional.
      
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  virtualnoexcept | 
Returns a C-style character string describing the general cause of the current error.
Reimplemented from std::exception.