Class SwigPyIterator_T

swig/python/export_wrap.cpp:4406–4446

namespace swig {
  template<typename OutIterator>
  class SwigPyIterator_T :  public SwigPyIterator
  {
  public:
    typedef OutIterator out_iterator;
    typedef typename std::iterator_traits<out_iterator>::value_type value_type;    
    typedef SwigPyIterator_T<out_iterator> self_type;

    SwigPyIterator_T(out_iterator curr, PyObject *seq)
      : SwigPyIterator(seq), current(curr)
    {
    }

    const out_iterator& get_current() const
    {
      return current;
    }

    
    bool equal (const SwigPyIterator &iter) const
    {
      const self_type *iters = dynamic_cast<const self_type *>(&iter);
      if (iters) {
	return (current == iters->get_current());
      } else {
	throw std::invalid_argument("bad iterator type");
      }
    }
    
    ptrdiff_t distance(const SwigPyIterator &iter) const
    {
      const self_type *iters = dynamic_cast<const self_type *>(&iter);
      if (iters) {
	return std::distance(current, iters->get_current());
      } else {
	throw std::invalid_argument("bad iterator type");
      }
    }    
    
  protected:
    out_iterator current;
  };
  
  template <class ValueType>
  struct from_oper