Program Listing for File copyable.hpp

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//
// Copyright (c) 2016-2023 CNRS INRIA
// Copyright (c) 2023 Heriot-Watt University
//

#ifndef __eigenpy_utils_copyable_hpp__
#define __eigenpy_utils_copyable_hpp__

#include <boost/python.hpp>

namespace eigenpy {

template <class C>
struct CopyableVisitor : public bp::def_visitor<CopyableVisitor<C> > {
  template <class PyClass>
  void visit(PyClass& cl) const {
    cl.def("copy", &copy, bp::arg("self"), "Returns a copy of *this.");
    cl.def("__copy__", &copy, bp::arg("self"), "Returns a copy of *this.");
    cl.def("__deepcopy__", &deepcopy, bp::args("self", "memo"),
           "Returns a deep copy of *this.");
  }

 private:
  static C copy(const C& self) { return C(self); }
  static C deepcopy(const C& self, bp::dict) { return C(self); }
};
}  // namespace eigenpy

#endif  // ifndef __eigenpy_utils_copyable_hpp__