in code/include/swoc/DiscreteRange.h [1081:1086]
template <typename METRIC, typename PAYLOAD> DiscreteSpace<METRIC, PAYLOAD>::~DiscreteSpace() {
// Destruct all the payloads - the nodes themselves are in the arena and disappear with it.
for (auto &node : _list) {
std::destroy_at(&node.payload());
}
}