ceph/src/boost/libs/fusion/include/boost/fusion/sequence/io/in.hpp

   1 /*=============================================================================
   2     Copyright (c) 1999-2003 Jaakko Jarvi
   3     Copyright (c) 1999-2003 Jeremiah Willcock
   4     Copyright (c) 2001-2011 Joel de Guzman
   5
   6     Distributed under the Boost Software License, Version 1.0. (See accompanying
   7     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8 ==============================================================================*/
   9 #if !defined(BOOST_IN_05042005_0120)
  10 #define BOOST_IN_05042005_0120
  11
  12 #include <boost/fusion/support/config.hpp>
  13 #include <istream>
  14 #include <boost/fusion/sequence/io/detail/in.hpp>
  15 #include <boost/fusion/support/is_sequence.hpp>
  16
  17 namespace boost { namespace fusion
  18 {
  19     template <typename Sequence>
  20     inline std::istream&
  21     in(std::istream& is, Sequence& seq)
  22     {
  23         detail::read_sequence(is, seq);
  24         return is;
  25     }
  26
  27     namespace operators
  28     {
  29         template <typename Sequence>
  30         inline typename
  31             boost::enable_if<
  32                fusion::traits::is_sequence<Sequence>
  33               , std::istream&
  34             >::type
  35         operator>>(std::istream& is, Sequence& seq)
  36         {
  37             return fusion::in(is, seq);
  38         }
  39     }
  40     using operators::operator>>;
  41 }}
  42
  43 #endif