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// sol2
// The MIT License (MIT)
// Copyright (c) 2013-2022 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_BASE_TRAITS_HPP
#define SOL_BASE_TRAITS_HPP
#include <type_traits>
namespace sol {
namespace detail {
struct unchecked_t { };
const unchecked_t unchecked = unchecked_t {};
} // namespace detail
namespace meta {
using sfinae_yes_t = std::true_type;
using sfinae_no_t = std::false_type;
template <typename...>
using void_t = void;
template <typename T>
using unqualified = std::remove_cv<std::remove_reference_t<T>>;
template <typename T>
using unqualified_t = typename unqualified<T>::type;
namespace meta_detail {
template <typename T>
struct unqualified_non_alias : unqualified<T> { };
template <template <class...> class Test, class, class... Args>
struct is_detected : std::false_type { };
template <template <class...> class Test, class... Args>
struct is_detected<Test, void_t<Test<Args...>>, Args...> : std::true_type { };
} // namespace meta_detail
template <template <class...> class Trait, class... Args>
using is_detected = typename meta_detail::is_detected<Trait, void, Args...>::type;
template <template <class...> class Trait, class... Args>
constexpr inline bool is_detected_v = is_detected<Trait, Args...>::value;
template <typename _Default, typename _Void, template <typename...> typename _Op, typename... _Args>
class detector {
public:
using value_t = ::std::false_type;
using type = _Default;
};
template <typename _Default, template <typename...> typename _Op, typename... _Args>
class detector<_Default, void_t<_Op<_Args...>>, _Op, _Args...> {
public:
using value_t = ::std::true_type;
using type = _Op<_Args...>;
};
class nonesuch {
public:
~nonesuch() = delete;
nonesuch(nonesuch const&) = delete;
nonesuch& operator=(nonesuch const&) = delete;
};
template <template <typename...> typename _Op, typename... _Args>
using detected_t = typename detector<nonesuch, void, _Op, _Args...>::type;
template <typename _Default, template <typename...> typename _Op, typename... _Args>
using detected_or = detector<_Default, void, _Op, _Args...>;
template <typename _Default, template <typename...> typename _Op, typename... _Args>
using detected_or_t = typename detector<_Default, void, _Op, _Args...>::type;
template <typename _Default, template <typename...> typename _Op, typename... _Args>
constexpr inline bool detected_or_v = detector<_Default, void, _Op, _Args...>::value;
template <std::size_t I>
using index_value = std::integral_constant<std::size_t, I>;
template <bool>
struct conditional {
template <typename T, typename U>
using type = T;
};
template <>
struct conditional<false> {
template <typename T, typename U>
using type = U;
};
template <bool B, typename T, typename U>
using conditional_t = typename conditional<B>::template type<T, U>;
namespace meta_detail {
template <typename T, template <typename...> class Templ>
struct is_specialization_of : std::false_type { };
template <typename... T, template <typename...> class Templ>
struct is_specialization_of<Templ<T...>, Templ> : std::true_type { };
} // namespace meta_detail
template <typename T, template <typename...> class Templ>
using is_specialization_of = meta_detail::is_specialization_of<std::remove_cv_t<T>, Templ>;
template <typename T, template <typename...> class Templ>
inline constexpr bool is_specialization_of_v = is_specialization_of<std::remove_cv_t<T>, Templ>::value;
template <typename T>
struct identity {
typedef T type;
};
template <typename T>
using identity_t = typename identity<T>::type;
template <typename T>
using is_builtin_type = std::integral_constant<bool, std::is_arithmetic<T>::value || std::is_pointer<T>::value || std::is_array<T>::value>;
namespace meta_detail {
template <typename T, typename = void>
struct has_internal_marker_impl : std::false_type { };
template <typename T>
struct has_internal_marker_impl<T, void_t<typename T::SOL_INTERNAL_UNSPECIALIZED_MARKER_>> : std::true_type { };
template <typename T>
using has_internal_marker = has_internal_marker_impl<T>;
template <typename T>
constexpr inline bool has_internal_marker_v = has_internal_marker<T>::value;
} // namespace meta_detail
} // namespace meta
} // namespace sol
#endif // SOL_BASE_TRAITS_HPP
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