Replace boost by the standalone asio library

1 files changed, 47 insertions, 0 deletions

diff --git a/lib/asio/detail/string_view.hpp b/lib/asio/detail/string_view.hpp
new file mode 100644
index 0000000..f09cebc
--- /dev/null
+++ b/lib/asio/detail/string_view.hpp
@@ -0,0 +1,47 @@
+//
+// detail/string_view.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 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_STRING_VIEW_HPP
+#define ASIO_DETAIL_STRING_VIEW_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_STRING_VIEW)
+
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+# include <string_view>
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# include <experimental/string_view>
+#else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# error ASIO_HAS_STRING_VIEW is set but no string_view is available
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+
+namespace asio {
+
+#if defined(ASIO_HAS_STD_STRING_VIEW)
+using std::basic_string_view;
+using std::string_view;
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+using std::experimental::basic_string_view;
+using std::experimental::string_view;
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+
+} // namespace asio
+
+# define ASIO_STRING_VIEW_PARAM asio::string_view
+#else // defined(ASIO_HAS_STRING_VIEW)
+# define ASIO_STRING_VIEW_PARAM const std::string&
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+#endif // ASIO_DETAIL_STRING_VIEW_HPP