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diff --git a/3rdparty/sol2/sol/function_result.hpp b/3rdparty/sol2/sol/function_result.hpp
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-// The MIT License (MIT)
-
-// Copyright (c) 2013-2016 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_FUNCTION_RESULT_HPP
-#define SOL_FUNCTION_RESULT_HPP
-
-#include "reference.hpp"
-#include "tuple.hpp"
-#include "stack.hpp"
-#include "proxy_base.hpp"
-#include <cstdint>
-
-namespace sol {
- struct function_result : public proxy_base<function_result> {
- private:
- lua_State* L;
- int index;
- int returncount;
-
- public:
- function_result() = default;
- function_result(lua_State* Ls, int idx = -1, int retnum = 0) : L(Ls), index(idx), returncount(retnum) {
-
- }
- function_result(const function_result&) = default;
- function_result& operator=(const function_result&) = default;
- function_result(function_result&& o) : L(o.L), index(o.index), returncount(o.returncount) {
- // Must be manual, otherwise destructor will screw us
- // return count being 0 is enough to keep things clean
- // but will be thorough
- o.L = nullptr;
- o.index = 0;
- o.returncount = 0;
- }
- function_result& operator=(function_result&& o) {
- L = o.L;
- index = o.index;
- returncount = o.returncount;
- // Must be manual, otherwise destructor will screw us
- // return count being 0 is enough to keep things clean
- // but will be thorough
- o.L = nullptr;
- o.index = 0;
- o.returncount = 0;
- return *this;
- }
-
- template<typename T>
- decltype(auto) get() const {
- return stack::get<T>(L, index);
- }
-
- call_status status() const noexcept {
- return call_status::ok;
- }
-
- bool valid() const noexcept {
- return status() == call_status::ok || status() == call_status::yielded;
- }
-
- lua_State* lua_state() const { return L; };
- int stack_index() const { return index; };
-
- ~function_result() {
- lua_pop(L, returncount);
- }
- };
-} // sol
-
-#endif // SOL_FUNCTION_RESULT_HPP