...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
is_implicitly_reflectable
// In header: <boost/pfr/traits.hpp> typedef unspecified is_implicitly_reflectable;
Checks the input type for the potential to be reflected. Specialize is_reflectable if you disagree with is_implicitly_reflectable's default decision.