sij/mapnik
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

transform_expression - fix compilation by addinhg move_to<mapnik::skewX_node, mapnik::detail::transform_node> specialization

Browse source
This commit is contained in:
artemp 2016-08-11 15:26:10 +01:00
parent 1532fbf949
commit 5eb6c089c3
1 changed files with 26 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
include/mapnik/transform_expression_grammar_x3_def.hpp
View file

@ -66,6 +66,32 @@ BOOST_FUSION_ADAPT_STRUCT(mapnik::skewY_node,
(mapnik::expr_node, angle_))
// Following specializations are required to avoid trasferring mapnik::skewX/Y nodes as underlying expressions
//
// template <typename Source, typename Dest>
// inline void
// move_to_plain(Source&& src, Dest& dest, mpl::true_) // src is a single-element tuple
// {
// dest = std::move(fusion::front(src));
// }
// which will fail to compile with latest (more strict) `mapbox::variant` (boost_1_61)
namespace boost { namespace spirit { namespace x3 { namespace traits {
template <>
inline void move_to<mapnik::skewX_node, mapnik::detail::transform_node>(mapnik::skewX_node && src, mapnik::detail::transform_node& dst)
{
dst = std::move(src);
}
template <>
inline void move_to<mapnik::skewY_node, mapnik::detail::transform_node>(mapnik::skewY_node && src, mapnik::detail::transform_node& dst)
{
dst = std::move(src);
}
}}}}
namespace mapnik { namespace grammar {
namespace x3 = boost::spirit::x3;