pub fn get2<A, B, Ty>(one: Ty, two: Ty) -> TryPair<*const A, *const B>where A: GetThroughId<Ty>, B: GetThroughId<Ty>, Ty: Copy,
C++ template<typename A, typename B, typename Ty> TryPair<const A*, const B*> get2(Ty one, Ty two).
template<typename A, typename B, typename Ty> TryPair<const A*, const B*> get2(Ty one, Ty two)