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<div class="section" title="Change log">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="fusion.change_log"></a><a class="link" href="change_log.html" title="Change log">Change log</a>
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<p>
      This section summarizes significant changes to the Fusion library.
    </p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
        Sep 27, 2006: Added <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">tuple</span></code>
        support. (Joel de Guzman)
      </li>
<li class="listitem">
        Nov 17, 2006: Added <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span></code>
        support. (Joel de Guzman)
      </li>
<li class="listitem">
        Feb 15, 2007: Added functional module. (Tobias Schwinger)
      </li>
<li class="listitem">
        April 2, 2007: Added struct adapter. (Joel de Guzman)
      </li>
<li class="listitem">
        May 8, 2007: Added associative struct adapter. (Dan Marsden)
      </li>
<li class="listitem">
        Dec 20, 2007: Removed <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">variant</span></code>
        support. After thorough investigation, I think now that the move to make
        variant a fusion sequence is rather quirky. A variant will always have a
        size==1 regardless of the number of types it can contain and there's no way
        to know at compile time what it contains. Iterating over its types is simply
        wrong. All these imply that the variant is <span class="bold"><strong>not</strong></span>
        a fusion sequence. (Joel de Guzman)
      </li>
<li class="listitem">
        Oct 12, 2009: The accumulator is the first argument to the functor of <a class="link" href="algorithm/iteration/functions/fold.html" title="fold"><code class="computeroutput"><span class="identifier">fold</span></code></a>
        and <a class="link" href="algorithm/iteration/functions/accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">accumulate</span></code></a>. (Christopher Schmidt)
      </li>
<li class="listitem">
        Oct 30, 2009: Added support for associative iterators and views. (Christopher
        Schmidt)
      </li>
</ul></div>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2001-2007 Joel de Guzman, Dan Marsden, Tobias
      Schwinger<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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