13 Jan
2018
13 Jan
'18
8:44 p.m.
On Sat, Jan 13, 2018 at 12:58 AM, Niall Douglas via Boost <boost@lists.boost.org> wrote:
It would still return a reference, just as now. You would check for internal nullptr, if so return a static null_category.
Can't you just store the pointer to null_category?