// The MIT License (MIT)
// Copyright (c) 2013 Danny Y., Rapptz
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_TUPLE_HPP
#define SOL_TUPLE_HPP
#include <tuple>
#include <cstddef>
namespace sol {
template<typename... Ts>
struct reverse_tuple;
template<>
struct reverse_tuple<std::tuple<>> {
using type = std::tuple<>;
};
template<typename T, typename... Ts>
struct reverse_tuple<std::tuple<T, Ts...>> {
using head = std::tuple<T>;
using tail = typename reverse_tuple<std::tuple<Ts...>>::type;
using type = decltype(std::tuple_cat(std::declval<tail>(), std::declval<head>()));
};
template<size_t... Ns>
struct indices { typedef indices type; };
template<size_t N, size_t... Ns>
struct build_indices : build_indices<N - 1, N - 1, Ns...> {};
template<size_t... Ns>
struct build_indices<0, Ns...> : indices<Ns...> {};
template<size_t N, size_t... Ns>
struct build_reverse_indices : build_reverse_indices<N - 1, Ns..., N - 1> {};
template<size_t... Ns>
struct build_reverse_indices<0, Ns...> : indices<Ns...> {};
template<typename... Args>
struct types : build_indices<sizeof...(Args)> { typedef types type; };
template<class Acc, class... Args>
struct reversed_ : Acc{};
template<typename... RArgs, typename Arg, typename... Args>
struct reversed_<types<RArgs...>, Arg, Args...> : reversed_<types<Arg, RArgs...>, Args...>{};
template<typename... Args>
struct reversed : reversed_<types<>, Args...>{};
template<typename... Args>
struct tuple_types : types<Args...>, std::false_type {};
template<typename... Args>
struct tuple_types<std::tuple<Args...>> : types<Args...>, std::true_type {};
template<typename... Tn>
struct constructors {};
const auto default_constructor = constructors<types<>>{};
} // sol
#endif // SOL_TUPLE_HPP