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Diffstat (limited to '3rdparty/asio/include/asio/detail/type_traits.hpp')
-rw-r--r-- | 3rdparty/asio/include/asio/detail/type_traits.hpp | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/3rdparty/asio/include/asio/detail/type_traits.hpp b/3rdparty/asio/include/asio/detail/type_traits.hpp new file mode 100644 index 00000000000..968f19a802e --- /dev/null +++ b/3rdparty/asio/include/asio/detail/type_traits.hpp @@ -0,0 +1,156 @@ +// +// detail/type_traits.hpp +// ~~~~~~~~~~~~~~~~~~~~~~ +// +// Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com) +// +// Distributed under the Boost Software License, Version 1.0. (See accompanying +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +// + +#ifndef ASIO_DETAIL_TYPE_TRAITS_HPP +#define ASIO_DETAIL_TYPE_TRAITS_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include "asio/detail/config.hpp" + +#if defined(ASIO_HAS_STD_TYPE_TRAITS) +# include <type_traits> +#else // defined(ASIO_HAS_STD_TYPE_TRAITS) +# include <boost/type_traits/add_const.hpp> +# include <boost/type_traits/add_lvalue_reference.hpp> +# include <boost/type_traits/aligned_storage.hpp> +# include <boost/type_traits/alignment_of.hpp> +# include <boost/type_traits/conditional.hpp> +# include <boost/type_traits/decay.hpp> +# include <boost/type_traits/has_nothrow_copy.hpp> +# include <boost/type_traits/has_nothrow_destructor.hpp> +# include <boost/type_traits/integral_constant.hpp> +# include <boost/type_traits/is_base_of.hpp> +# include <boost/type_traits/is_class.hpp> +# include <boost/type_traits/is_const.hpp> +# include <boost/type_traits/is_convertible.hpp> +# include <boost/type_traits/is_constructible.hpp> +# include <boost/type_traits/is_copy_constructible.hpp> +# include <boost/type_traits/is_destructible.hpp> +# include <boost/type_traits/is_function.hpp> +# include <boost/type_traits/is_object.hpp> +# include <boost/type_traits/is_same.hpp> +# include <boost/type_traits/remove_cv.hpp> +# include <boost/type_traits/remove_pointer.hpp> +# include <boost/type_traits/remove_reference.hpp> +# include <boost/utility/declval.hpp> +# include <boost/utility/enable_if.hpp> +# include <boost/utility/result_of.hpp> +#endif // defined(ASIO_HAS_STD_TYPE_TRAITS) + +namespace asio { + +#if defined(ASIO_HAS_STD_TYPE_TRAITS) +using std::add_const; +using std::add_lvalue_reference; +using std::aligned_storage; +using std::alignment_of; +using std::conditional; +using std::decay; +using std::declval; +using std::enable_if; +using std::false_type; +using std::integral_constant; +using std::is_base_of; +using std::is_class; +using std::is_const; +using std::is_constructible; +using std::is_convertible; +using std::is_copy_constructible; +using std::is_destructible; +using std::is_function; +using std::is_move_constructible; +using std::is_nothrow_copy_constructible; +using std::is_nothrow_destructible; +using std::is_object; +using std::is_reference; +using std::is_same; +using std::is_scalar; +using std::remove_cv; +template <typename T> +struct remove_cvref : remove_cv<typename std::remove_reference<T>::type> {}; +using std::remove_pointer; +using std::remove_reference; +#if defined(ASIO_HAS_STD_INVOKE_RESULT) +template <typename> struct result_of; +template <typename F, typename... Args> +struct result_of<F(Args...)> : std::invoke_result<F, Args...> {}; +#else // defined(ASIO_HAS_STD_INVOKE_RESULT) +using std::result_of; +#endif // defined(ASIO_HAS_STD_INVOKE_RESULT) +using std::true_type; +#else // defined(ASIO_HAS_STD_TYPE_TRAITS) +using boost::add_const; +using boost::add_lvalue_reference; +using boost::aligned_storage; +using boost::alignment_of; +template <bool Condition, typename Type = void> +struct enable_if : boost::enable_if_c<Condition, Type> {}; +using boost::conditional; +using boost::decay; +using boost::declval; +using boost::false_type; +using boost::integral_constant; +using boost::is_base_of; +using boost::is_class; +using boost::is_const; +using boost::is_constructible; +using boost::is_convertible; +using boost::is_copy_constructible; +using boost::is_destructible; +using boost::is_function; +#if defined(ASIO_HAS_MOVE) +template <typename T> +struct is_move_constructible : false_type {}; +#else // defined(ASIO_HAS_MOVE) +template <typename T> +struct is_move_constructible : is_copy_constructible<T> {}; +#endif // defined(ASIO_HAS_MOVE) +template <typename T> +struct is_nothrow_copy_constructible : boost::has_nothrow_copy<T> {}; +template <typename T> +struct is_nothrow_destructible : boost::has_nothrow_destructor<T> {}; +using boost::is_object; +using boost::is_reference; +using boost::is_same; +using boost::is_scalar; +using boost::remove_cv; +template <typename T> +struct remove_cvref : remove_cv<typename boost::remove_reference<T>::type> {}; +using boost::remove_pointer; +using boost::remove_reference; +using boost::result_of; +using boost::true_type; +#endif // defined(ASIO_HAS_STD_TYPE_TRAITS) + +template <typename> struct void_type { typedef void type; }; + +#if defined(ASIO_HAS_VARIADIC_TEMPLATES) + +template <typename...> struct conjunction : true_type {}; +template <typename T> struct conjunction<T> : T {}; +template <typename Head, typename... Tail> struct conjunction<Head, Tail...> : + conditional<Head::value, conjunction<Tail...>, Head>::type {}; + +#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES) + +struct defaulted_constraint +{ + ASIO_CONSTEXPR defaulted_constraint() {} +}; + +template <bool Condition, typename Type = int> +struct constraint : enable_if<Condition, Type> {}; + +} // namespace asio + +#endif // ASIO_DETAIL_TYPE_TRAITS_HPP |