: boost::iterator_facade<

stl_input_iterator<ValueT>

, ValueT

, std::input_iterator_tag

, ValueT

>

{

stl_input_iterator()

: impl_()

{

}

// ob is the python sequence

stl_input_iterator(boost::python::object const &ob)

: impl_(ob)

{

}

friend class boost::iterator_core_access;

void increment()

{

this->impl_.increment();

}

ValueT dereference() const

{

return extract<ValueT>(this->impl_.current().get())();

}

bool equal(stl_input_iterator<ValueT> const &that) const

{

return this->impl_.equal(that.impl_);

}

objects::stl_input_iterator_impl impl_;