https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111327
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- We might want to look into bind<R> too: https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2017/p0826r0.html#3.-implementation-experience
