>const</span> <span class="special">&amp;</span> that<span class="special">)</span><span class="special">;</span></pre>
<p>Assignment operator</p>
<p>Swaps two loggers </p>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2007-2016 Andrey Semashev<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
      