Added boost header

test/external/boost/iostreams/input_sequence.hpp

@@ -0,0 +1,72 @@
+// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
+// (C) Copyright 2003-2007 Jonathan Turkanis
+// 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.)
+
+// See http://www.boost.org/libs/iostreams for documentation.
+
+#ifndef BOOST_IOSTREAMS_INPUT_SEQUENCE_HPP_INCLUDED
+#define BOOST_IOSTREAMS_INPUT_SEQUENCE_HPP_INCLUDED
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+#include <utility>           // pair.
+#include <boost/config.hpp>  // DEDUCED_TYPENAME, MSVC.
+#include <boost/detail/workaround.hpp>
+#include <boost/iostreams/detail/wrap_unwrap.hpp>
+#include <boost/iostreams/operations_fwd.hpp>  // is_custom 
+#include <boost/iostreams/traits.hpp>
+#include <boost/mpl/if.hpp>
+
+// Must come last.
+#include <boost/iostreams/detail/config/disable_warnings.hpp>
+
+namespace boost { namespace iostreams {
+
+namespace detail {
+
+template<typename T>
+struct input_sequence_impl;
+
+} // End namespace detail.
+
+template<typename T>
+inline std::pair<
+    BOOST_DEDUCED_TYPENAME char_type_of<T>::type*,
+    BOOST_DEDUCED_TYPENAME char_type_of<T>::type*
+>
+input_sequence(T& t)
+{ return detail::input_sequence_impl<T>::input_sequence(t); }
+
+namespace detail {
+
+//------------------Definition of direct_impl-------------------------------//
+
+template<typename T>
+struct input_sequence_impl
+    : mpl::if_<
+          detail::is_custom<T>,
+          operations<T>,
+          input_sequence_impl<direct_tag>
+      >::type
+    { };
+
+template<>
+struct input_sequence_impl<direct_tag> {
+    template<typename U>
+    static std::pair<
+        BOOST_DEDUCED_TYPENAME char_type_of<U>::type*,
+        BOOST_DEDUCED_TYPENAME char_type_of<U>::type*
+    >
+    input_sequence(U& u) { return u.input_sequence(); }
+};
+
+} // End namespace detail.
+
+} } // End namespaces iostreams, boost.
+
+#include <boost/iostreams/detail/config/enable_warnings.hpp>
+
+#endif // #ifndef BOOST_IOSTREAMS_INPUT_SEQUENCE_HPP_INCLUDED