</strong>

int x = lib::f(_name = &quot;jill&quot;, _index = 1);
</pre>
<p>This version is much better at the actual call site, but the
<em>using-declarations</em> themselves can be verbose and hard-to
manage.</p>
</blockquote>
<!-- @example.prepend(namespace_setup) -->
<!-- @example.append('int main() {}') -->
<!-- @test('run') -->
<ol class="arabic simple" start="3">
<li>Bring in the entire namespace with a <em>using-directive</em>:</li>
</ol>
<blockquote>
<pre class="literal-block">
<strong>using namespa