pan class="identifier">Iter</span><span class="special">&gt;</span></code> is thrown:
          </p>
<pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Iter</span><span class="special">&gt;</span>
<span class="keyword">struct</span> <span class="identifier">expectation_failure</span> <span class="special">:</span> <span class="identifier">std</span><span class="special">::</span><span class="identi