Defined in 3 files as a struct:
- external/gpl3/gcc/dist/libstdc++-v3/include/bits/std_function.h, line 57 (as a struct)
- external/gpl3/gcc/dist/libstdc++-v3/include/bits/std_function.h, line 61 (as a struct)
- external/gpl3/gcc/dist/libstdc++-v3/include/bits/std_function.h, line 66 (as a struct)