ceph/src/boost/boost/hana/ext/boost/fusion/tuple.hpp

   1 /*!
   2 @file
   3 Adapts `boost::fusion::tuple` for use with Hana.
   4
   5 In the current version of Boost.Fusion, `boost::fusion::tuple` is basically
   6 an alias to `boost::fusion::vector`, so both data types share the same
   7 implementation in Hana.
   8
   9 @copyright Louis Dionne 2013-2017
  10 Distributed under the Boost Software License, Version 1.0.
  11 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
  12  */
  13
  14 #ifndef BOOST_HANA_EXT_BOOST_FUSION_TUPLE_HPP
  15 #define BOOST_HANA_EXT_BOOST_FUSION_TUPLE_HPP
  16
  17 #include <boost/hana/config.hpp>
  18 #include <boost/hana/ext/boost/fusion/vector.hpp>
  19
  20
  21 #ifdef BOOST_HANA_DOXYGEN_INVOKED
  22 namespace boost { namespace fusion {
  23     //! @ingroup group-ext-fusion
  24     //! Adapter for Boost.Fusion tuples.
  25     //!
  26     //!
  27     //! Modeled concepts
  28     //! ----------------
  29     //! A Fusion tuple is a model of the `Sequence` concept, and all the
  30     //! concepts it refines. That makes it essentially the same as a Hana
  31     //! tuple, although the complexity of some operations might differ from
  32     //! that of a tuple.
  33     //!
  34     //! @include example/ext/boost/fusion/tuple.cpp
  35     template <typename ...T>
  36     struct tuple { };
  37 }}
  38 #endif
  39
  40
  41 BOOST_HANA_NAMESPACE_BEGIN
  42     namespace ext { namespace boost { namespace fusion {
  43         // In the current version of Boost.Fusion, `boost::fusion::tuple` is
  44         // basically an alias to `boost::fusion::vector`, hence the alias.
  45         using tuple_tag = vector_tag;
  46     }}}
  47 BOOST_HANA_NAMESPACE_END
  48
  49 #endif // !BOOST_HANA_EXT_BOOST_FUSION_TUPLE_HPP