Initial Commit

2025-11-06 15:51:56 +01:00
commit 0f7191ad54
648 changed files with 170981 additions and 0 deletions
--- a/include/asio/traits/query_static_constexpr_member.hpp
+++ b/include/asio/traits/query_static_constexpr_member.hpp
@@ -0,0 +1,101 @@
+//
+// traits/query_static_constexpr_member.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 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_TRAITS_QUERY_STATIC_CONSTEXPR_MEMBER_HPP
+#define ASIO_TRAITS_QUERY_STATIC_CONSTEXPR_MEMBER_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/type_traits.hpp"
+
+#if defined(ASIO_HAS_CONSTANT_EXPRESSION_SFINAE) \
+  && defined(ASIO_HAS_WORKING_EXPRESSION_SFINAE)
+# define ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT 1
+#endif // defined(ASIO_HAS_CONSTANT_EXPRESSION_SFINAE)
+       //   && defined(ASIO_HAS_WORKING_EXPRESSION_SFINAE)
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace traits {
+
+template <typename T, typename Property, typename = void>
+struct query_static_constexpr_member_default;
+
+template <typename T, typename Property, typename = void>
+struct query_static_constexpr_member;
+
+} // namespace traits
+namespace detail {
+
+struct no_query_static_constexpr_member
+{
+  static constexpr bool is_valid = false;
+};
+
+template <typename T, typename Property, typename = void>
+struct query_static_constexpr_member_trait :
+  conditional_t<
+    is_same<T, decay_t<T>>::value
+      && is_same<Property, decay_t<Property>>::value,
+    no_query_static_constexpr_member,
+    traits::query_static_constexpr_member<
+      decay_t<T>,
+      decay_t<Property>>
+  >
+{
+};
+
+#if defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
+
+template <typename T, typename Property>
+struct query_static_constexpr_member_trait<T, Property,
+  enable_if_t<
+    (static_cast<void>(T::query(Property{})), true)
+  >>
+{
+  static constexpr bool is_valid = true;
+
+  using result_type = decltype(T::query(Property{}));
+
+  static constexpr bool is_noexcept = noexcept(T::query(Property{}));
+
+  static constexpr result_type value() noexcept(is_noexcept)
+  {
+    return T::query(Property{});
+  }
+};
+
+#endif // defined(ASIO_HAS_DEDUCED_QUERY_STATIC_CONSTEXPR_MEMBER_TRAIT)
+
+} // namespace detail
+namespace traits {
+
+template <typename T, typename Property, typename>
+struct query_static_constexpr_member_default :
+  detail::query_static_constexpr_member_trait<T, Property>
+{
+};
+
+template <typename T, typename Property, typename>
+struct query_static_constexpr_member :
+  query_static_constexpr_member_default<T, Property>
+{
+};
+
+} // namespace traits
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_TRAITS_QUERY_STATIC_CONSTEXPR_MEMBER_HPP