reefry_engine">threefry_engine</a><span class="special">&lt;</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span> <a name="idm45152239396352-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="threefry_engine.html" title="Class template threefry_engine">threefry_engine</a><span class="special">&lt;</span> <span class="identifier">T</span> <spa