gnal.html#id-1_3_37_6_9_3_1_2_27_1-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="signal.html" title="Class template signal">signal</a><span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span>

<span class="comment">// <a class="link" href="signal.html#id-1_3_37_6_9_3_1_2_28-bb">specialized algorithms</a></span>
<span class="keyword">template</span><span class="s