Initial move from Spirit CVS

[SVN r34896]

include/boost/fusion/sequence/io/in.hpp

@@ -0,0 +1,34 @@
+/*=============================================================================
+    Copyright (c) 1999-2003 Jaakko J<>rvi
+    Copyright (c) 1999-2003 Jeremiah Willcock
+    Copyright (c) 2001-2006 Joel de Guzman
+
+    Use, modification and distribution is subject to 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)
+==============================================================================*/
+#if !defined(BOOST_IN_05042005_0120)
+#define BOOST_IN_05042005_0120
+
+#include <iostream>
+#include <boost/fusion/sequence/io/detail/in.hpp>
+#include <boost/fusion/support/is_sequence.hpp>
+#include <boost/utility/enable_if.hpp>
+#include <boost/mpl/or.hpp>
+
+namespace boost { namespace fusion
+{
+    template <typename IStream, typename Sequence>
+    inline typename
+        enable_if<
+            fusion::traits::is_sequence<Sequence>
+          , IStream&
+        >::type
+    operator>>(IStream& is, Sequence& seq)
+    {
+        detail::read_sequence(is, seq);
+        return is;
+    }
+}}
+
+#endif