Initial Commit

include/asio/detail/source_location.hpp

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+//
+// detail/source_location.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_DETAIL_SOURCE_LOCATION_HPP
+#define ASIO_DETAIL_SOURCE_LOCATION_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_SOURCE_LOCATION)
+
+#if defined(ASIO_HAS_STD_SOURCE_LOCATION)
+# include <source_location>
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
+# include <experimental/source_location>
+#else // defined(ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
+# error ASIO_HAS_SOURCE_LOCATION is set \
+  but no source_location is available
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
+
+namespace asio {
+namespace detail {
+
+#if defined(ASIO_HAS_STD_SOURCE_LOCATION)
+using std::source_location;
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
+using std::experimental::source_location;
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_SOURCE_LOCATION)
+
+} // namespace detail
+} // namespace asio
+
+#endif // defined(ASIO_HAS_SOURCE_LOCATION)
+
+#endif // ASIO_DETAIL_SOURCE_LOCATION_HPP