diff options
Diffstat (limited to 'lib/asio/detail/string_view.hpp')
| -rw-r--r-- | lib/asio/detail/string_view.hpp | 47 |
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 |