Function check

extlibs/sol3/include/sol/sol.hpp:10219–10230

		template <typename T, typename Handler>
		bool check(lua_State* L, int index, Handler&& handler, record& tracking) {
			if constexpr (meta::meta_detail::is_adl_sol_lua_check_v<T>) {
				return sol_lua_check(types<T>(), L, index, std::forward<Handler>(handler), tracking);
			}
			else {
				using Tu = meta::unqualified_t<T>;
				qualified_checker<T, lua_type_of_v<Tu>> c;
				// VC++ has a bad warning here: shut it up
				(void)c;
				return c.check(L, index, std::forward<Handler>(handler), tracking);
			}
		}

		template <typename T, typename Handler>
		bool check(lua_State* L, int index, Handler&& handler) {