.. _program_listing_file_include_eigenpy_id.hpp:

Program Listing for File id.hpp
===============================

|exhale_lsh| :ref:`Return to documentation for file <file_include_eigenpy_id.hpp>` (``include/eigenpy/id.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   //
   // Copyright (c) 2024 INRIA
   //
   
   #ifndef __eigenpy_id_hpp__
   #define __eigenpy_id_hpp__
   
   #include <boost/python.hpp>
   #include <boost/cstdint.hpp>
   
   namespace eigenpy {
   
   template <class C>
   struct IdVisitor : public bp::def_visitor<IdVisitor<C> > {
     template <class PyClass>
     void visit(PyClass& cl) const {
       cl.def("id", &id, bp::arg("self"),
              "Returns the unique identity of an object.\n"
              "For object held in C++, it corresponds to its memory address.");
     }
   
    private:
     static boost::int64_t id(const C& self) {
       return boost::int64_t(reinterpret_cast<const void*>(&self));
     }
   };
   }  // namespace eigenpy
   
   #endif  // ifndef __eigenpy_id_hpp__