https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80711
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to David Binderman from comment #8)
> My opinion is that a first approximation at implementation in gcc would
> merely look for C++ member functions that are return statements only.
> More fancy things could be done later in a second version.
No, that won't work:
struct Iota {
int i = 0;
int operator()() { return i++; }
};
