c;
tie(i, c) = std::make_pair(1, 'a');
</code></pre>
<h4>Ignore</h4>
There is also an object called <code>ignore</code> which allows you to ignore an element assigned by a tuple.
The idea is that a function may return a tuple, only part of which you are interested in. For example (note, that <code>ignore</code> is under the <code>tuples</code> subnamespace):

<pre><code>char c;
tie(tuples::ignore, c) = std::make_pair(1, 'a');
</code></pre>

<h2><a name = "streaming">Streaming</a></h2>

<p>
The global <code>