[Bug c++/88128] G++ should implement CWG 330

redi at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Sep 6 11:08:00 GMT 2019


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88128

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #4)
> (In reply to Viktor Ostashevskyi from comment #3)
> > Is it possible to make std::span<const T> from std::vector<T>?
> 
> Yes, that works with current trunk.

Although that could be a bug: the constraints use declval<_Container&>() but
should be using declval<const _Container&>().


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