>

<code>template&lt;int N> struct nth_index_iterator</code>

<blockquote>
<code>nth_index_iterator&lt;N>::type</code> is equivalent to
<code>nth_index&lt;N>::type::iterator</code>.<br>
<b>Note:</b> The use of <code>nth_index_iterator</code> is deprecated.
</blockquote>

<code>template&lt;int N> struct nth_index_const_iterator</code>

<blockquote>
<code>nth_index_const_iterator&lt;N>::type</code> is equivalent to
<code>nth_index&lt;N>::type::const_iterator</code>.<br>
<b>Note:</b> The use of <code>nth_index