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authorAndy Belle-Isle <drumsetmonkey@gmail.com>2019-08-30 00:19:31 -0400
committerAndy Belle-Isle <drumsetmonkey@gmail.com>2019-08-30 00:19:31 -0400
commitbd3fe0cac583739bc0d7c4b5c8f301bb350abca0 (patch)
tree7eeb1aabcebd6999de1c3457d0882246ec0ff4d4 /deps/sol2/include/sol/tie.hpp
parent2662ac356ce14dacfbc91689fd37244facff4989 (diff)
Renamed lib to deps so github will ignore it for language stats
Diffstat (limited to 'deps/sol2/include/sol/tie.hpp')
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+// sol3
+
+// The MIT License (MIT)
+
+// Copyright (c) 2013-2019 Rapptz, ThePhD and contributors
+
+// 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_TIE_HPP
+#define SOL_TIE_HPP
+
+#include "traits.hpp"
+
+namespace sol {
+
+ namespace detail {
+ template <typename T>
+ struct is_speshul : std::false_type {};
+ } // namespace detail
+
+ template <typename T>
+ struct tie_size : std::tuple_size<T> {};
+
+ template <typename T>
+ struct is_tieable : std::integral_constant<bool, (::sol::tie_size<T>::value > 0)> {};
+
+ template <typename... Tn>
+ struct tie_t : public std::tuple<std::add_lvalue_reference_t<Tn>...> {
+ private:
+ typedef std::tuple<std::add_lvalue_reference_t<Tn>...> base_t;
+
+ template <typename T>
+ void set(std::false_type, T&& target) {
+ std::get<0>(*this) = std::forward<T>(target);
+ }
+
+ template <typename T>
+ void set(std::true_type, T&& target) {
+ typedef tie_size<meta::unqualified_t<T>> value_size;
+ typedef tie_size<std::tuple<Tn...>> tie_size;
+ typedef meta::conditional_t<(value_size::value < tie_size::value), value_size, tie_size> indices_size;
+ typedef std::make_index_sequence<indices_size::value> indices;
+ set_extra(detail::is_speshul<meta::unqualified_t<T>>(), indices(), std::forward<T>(target));
+ }
+
+ template <std::size_t... I, typename T>
+ void set_extra(std::true_type, std::index_sequence<I...>, T&& target) {
+ using std::get;
+ (void)detail::swallow{0,
+ (get<I>(static_cast<base_t&>(*this)) = get<I>(types<Tn...>(), target), 0)..., 0};
+ }
+
+ template <std::size_t... I, typename T>
+ void set_extra(std::false_type, std::index_sequence<I...>, T&& target) {
+ using std::get;
+ (void)detail::swallow{0,
+ (get<I>(static_cast<base_t&>(*this)) = get<I>(target), 0)..., 0};
+ }
+
+ public:
+ using base_t::base_t;
+
+ template <typename T>
+ tie_t& operator=(T&& value) {
+ typedef is_tieable<meta::unqualified_t<T>> tieable;
+ set(tieable(), std::forward<T>(value));
+ return *this;
+ }
+ };
+
+ template <typename... Tn>
+ struct tie_size<tie_t<Tn...>> : std::tuple_size<std::tuple<Tn...>> {};
+
+ namespace adl_barrier_detail {
+ template <typename... Tn>
+ inline tie_t<std::remove_reference_t<Tn>...> tie(Tn&&... argn) {
+ return tie_t<std::remove_reference_t<Tn>...>(std::forward<Tn>(argn)...);
+ }
+ } // namespace adl_barrier_detail
+
+ using namespace adl_barrier_detail;
+
+} // namespace sol
+
+#endif // SOL_TIE_HPP