#ifndef ENTT_POLY_FWD_HPP #define ENTT_POLY_FWD_HPP #include <cstddef> namespace entt { template<typename, std::size_t Len = sizeof(double[2]), std::size_t = alignof(double[2])> class basic_poly; /** * @brief Alias declaration for the most common use case. * @tparam Concept Concept descriptor. */ template<typename Concept> using poly = basic_poly<Concept>; } // namespace entt #endif