ceph/src/boost/boost/geometry/geometries/variant.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   4 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // This file was modified by Oracle on 2018.
   8 // Modifications copyright (c) 2018, Oracle and/or its affiliates.
   9
  10 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  11
  12 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  13 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  14
  15 // Use, modification and distribution is subject to the Boost Software License,
  16 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  17 // http://www.boost.org/LICENSE_1_0.txt)
  18
  19 #ifndef BOOST_GEOMETRY_GEOMETRIES_VARIANT_GEOMETRY_HPP
  20 #define BOOST_GEOMETRY_GEOMETRIES_VARIANT_GEOMETRY_HPP
  21
  22
  23 #include <boost/mpl/front.hpp>
  24 #include <boost/variant/variant_fwd.hpp>
  25
  26 #include <boost/geometry/core/point_type.hpp>
  27
  28
  29 namespace boost { namespace geometry {
  30
  31
  32 template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
  33 struct point_type<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
  34     : point_type<
  35         typename boost::mpl::front<
  36             typename boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>::types
  37         >::type
  38     >
  39 {};
  40
  41
  42 } // namespace geometry
  43 } // namespace boost
  44
  45
  46 #endif // BOOST_GEOMETRY_GEOMETRIES_VARIANT_GEOMETRY_HPP