//  Distributed under the Boost Software License, Version 1.0. (See</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment">//  accompanying file LICENSE or copy at</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment">//  http://www.boost.org/LICENSE_1_0.txt)</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment">//</span></div><div class