DEPRECATION NOTICE
YOMM2 has been superseded by Boost.OpenMethod. See README for more details.
yorel::yomm2::type_id
defined in <yorel/yomm2/policy.hpp>, also provided by <yorel/yomm2/core.hpp>, <yorel/yomm2/keywords.hpp>
using type_id = std::uintptr_t;