.TH "std::bad_function_call" 3cxx "Sat Aug 14 2021" "libstdc++" \" -*- nroff -*- .ad l .nh .SH NAME std::bad_function_call \- Exception class thrown when class template function's operator() is called with an empty target\&. .SH SYNOPSIS .br .PP .PP Inherits \fBstd::exception\fP\&. .SS "Public Member Functions" .in +1c .ti -1c .RI "const char * \fBwhat\fP () const noexcept" .br .in -1c .SH "Detailed Description" .PP Exception class thrown when class template function's operator() is called with an empty target\&. .PP Definition at line 56 of file std_function\&.h\&. .SH "Member Function Documentation" .PP .SS "const char* std::bad_function_call::what () const\fC [virtual]\fP, \fC [noexcept]\fP" Returns a C-style character string describing the general cause of the current error\&. .PP Reimplemented from \fBstd::exception\fP\&. .SH "Author" .PP Generated automatically by Doxygen for libstdc++ from the source code\&.