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openmw/extern/sol3/sol/as_returns.hpp

63 lines
1.9 KiB
C++

// sol2
// The MIT License (MIT)
// Copyright (c) 2013-2021 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_AS_RETURNS_HPP
#define SOL_AS_RETURNS_HPP
#include <sol/traits.hpp>
#include <sol/stack.hpp>
#include <sol/ebco.hpp>
namespace sol {
template <typename T>
struct as_returns_t : private detail::ebco<T> {
private:
using base_t = detail::ebco<T>;
public:
using base_t::base_t;
using base_t::value;
};
template <typename Source>
auto as_returns(Source&& source) {
return as_returns_t<std::decay_t<Source>> { std::forward<Source>(source) };
}
namespace stack {
template <typename T>
struct unqualified_pusher<as_returns_t<T>> {
int push(lua_State* L, const as_returns_t<T>& e) {
auto& src = detail::unwrap(e.value());
int p = 0;
for (const auto& i : src) {
p += stack::push(L, i);
}
return p;
}
};
} // namespace stack
} // namespace sol
#endif // SOL_AS_RETURNS_HPP