in code/include/swoc/Vectray.h [242:255]
template <typename T, size_t N, class A> template <size_t M> Vectray<T, N, A>::Vectray(Vectray<T, M, A> &&that) {
// If @a that is already a vector, always move that here.
if (DYNAMIC == that._store.index()) {
_store = std::move(std::get<DYNAMIC>(that._store));
} else {
auto span = std::get<FIXED>(that._store).span();
if (span.size() > N) {
} else {
for (auto &&item : span) {
this->template emplace_back<T, N, A>(std::move(item));
}
}
}
}