python-mapnik/src/python_variant.hpp at master · mapnik/python-mapnik · GitHub

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/*****************************************************************************

* This file is part of Mapnik (c++ mapping toolkit)

* This library is free software; you can redistribute it and/or

* modify it under the terms of the GNU Lesser General Public

* License as published by the Free Software Foundation; either

* version 2.1 of the License, or (at your option) any later version.

* This library is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

* Lesser General Public License for more details.

* You should have received a copy of the GNU Lesser General Public

* License along with this library; if not, write to the Free Software

* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

*****************************************************************************/

//pybind11

#include <pybind11/pybind11.h>

#include <pybind11/stl.h>

#include <mapnik/util/variant.hpp>

namespace PYBIND11_NAMESPACE { namespace detail {

template <typename... Ts>

struct type_caster<mapnik::util::variant<Ts...>> : variant_caster<mapnik::util::variant<Ts...>> {};

// // Specifies the function used to visit the variant -- `apply_visitor` instead of `visit`

// template <>

// struct visit_helper<mapnik::util::variant> {

// template <typename... Args>

// static auto call(Args &&...args) -> decltype(mapnik::util::apply_visitor(args...)) {

// return mapnik::util::apply_visitor(args...);

// }

// };

}} // namespace PYBIND11_NAMESPACE::detail

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