ers_iterator.difference_type"></a> 
The
          type used for the distance between two iterators.
        </p>
<pre class="programlisting">typedef std::ptrdiff_t difference_type;
</pre>
<h6>
<a name="boost_asio.reference.buffers_iterator.difference_type.h0"></a>
          <span class="phrase"><a name="boost_asio.reference.buffers_iterator.difference_type.requirements"></a></span><a class="link" href="difference_type.html#boost_asio.reference.buffers_iterator.difference_type.requirements">Requirements</a>
