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 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library 8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. 9 10 // Use, modification and distribution is subject to the Boost Software License, 11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 12 // http://www.boost.org/LICENSE_1_0.txt) 13 14 #ifndef BOOST_GEOMETRY_GEOMETRIES_VARIANT_GEOMETRY_HPP 15 #define BOOST_GEOMETRY_GEOMETRIES_VARIANT_GEOMETRY_HPP 16 17 18 #include <boost/variant/variant_fwd.hpp> 19 #include <boost/mpl/front.hpp> 20 21 22 namespace boost { namespace geometry { 23 24 25 template <BOOST_VARIANT_ENUM_PARAMS(typename T)> 26 struct point_type<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> > 27 : point_type< 28 typename boost::mpl::front< 29 typename boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)>::types 30 >::type 31 > 32 {}; 33 34 35 } // namespace geometry 36 } // namespace boost 37 38 39 #endif // BOOST_GEOMETRY_GEOMETRIES_VARIANT_GEOMETRY_HPP 40