Searched defs:nullopt_holder (Results 1 – 2 of 2) sorted by relevance
153 template <class> struct nullopt_holder { struct157 constexpr nullopt_t nullopt_holder<Dummy>::instance_; argument163 template <class> struct nullopt_holder { struct167 const nullopt_t nullopt_holder<Dummy>::instance_ = nullopt_t(0); argument