/usr/include/boost/geometry/index/detail/rtree/node/variant_visitor.hpp:51:25: error: no matching function for call to 'apply_visitor(boost::geometry::index::detail::rtree::visitors::insert<WireJoiner::VertexInfo, boost::geometry::index::rtree<WireJoiner::VertexInfo, boost::geometry::index::linear<16>, WireJoiner::PntGetter>::members_holder, boost::geometry::index::detail::rtree::insert_default_tag>&, boost::variant<boost::geometry::index::detail::rtree::variant_leaf<WireJoiner::VertexInfo, boost::geometry::index::linear<16>, boost::geometry::model::box<boost::geometry::model::point<double, 3, boost::geometry::cs::cartesian> >, boost::geometry::index::detail::rtree::allocators<boost::container::new_allocator<WireJoiner::VertexInfo>, WireJoiner::VertexInfo, boost::geometry::index::linear<16>, boost::geometry::model::box<boost::geometry::model::point<double, 3, boost::geometry::cs::cartesian> >, boost::geometry::index::detail::rtree::node_variant_static_tag>, boost::geometry::index::detail::rtree::node_variant_static_tag>, boost::geometry::index::detail::rtree::variant_internal_node<WireJoiner::VertexInfo, boost::geometry::index::linear<16, 4>, boost::geometry::model::box<boost::geometry::model::point<double, 3, boost::geometry::cs::cartesian> >, boost::geometry::index::detail::rtree::allocators<boost::container::new_allocator<WireJoiner::VertexInfo>, WireJoiner::VertexInfo, boost::geometry::index::linear<16, 4>, boost::geometry::model::box<boost::geometry::model::point<double, 3, boost::geometry::cs::cartesian> >, boost::geometry::index::detail::rtree::node_variant_static_tag>, boost::geometry::index::detail::rtree::node_variant_static_tag> >&)'
   51 |     boost::apply_visitor(v, n);
      |     ~~~~~~~~~~~~~~~~~~~~^~~~~~

Thanks,

Richard