Searched refs:optional_attribute (Results 1 – 2 of 2) sorted by relevance
228 struct optional_attribute struct244 struct optional_attribute<boost::optional<T> > struct260 typename optional_attribute<T>::type263 return optional_attribute<T>::call(val); in optional_value()274 return optional_attribute<T>::is_valid(val); in has_optional_value()
107 struct optional_attribute;