[Bug c++/70810] std::function template variadic template arguments do not unpack in function template

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70810

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Not a bug, the parameter pack for std::function<void(Ts...)> cannot be deduced
from the arguments, because a function pointer is not a std::function.