https://svn.boost.org/trac10/ticket/4580 <p> a file only containing the single line: #include &lt;boost/fusion/algorithm/iteration/iter_fold.hpp&gt; </p> <p> fails. that's because detail/fold.hpp always uses result_of::fold, instead of result_of::iter_fold, ... </p> <p> if iteration/fold.hpp is included by chance this can lead to hard other errors that are hard to track down. </p> <p> attaching patch </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/4580 Trac 1.4.3 anonymous Sat, 21 Aug 2010 16:58:22 GMT https://svn.boost.org/trac10/ticket/4580 https://svn.boost.org/trac10/ticket/4580 <ul> <li><strong>attachment</strong> → <span class="trac-field-new">fold.patch</span> </li> </ul> Ticket Christopher Schmidt Sun, 22 Aug 2010 11:28:10 GMT https://svn.boost.org/trac10/ticket/4580#comment:1 https://svn.boost.org/trac10/ticket/4580#comment:1 <ul> <li><strong>owner</strong> changed from <span class="trac-author">Joel de Guzman</span> to <span class="trac-author">Christopher Schmidt</span> </li> <li><strong>status</strong> <span class="trac-field-old">new</span> → <span class="trac-field-new">assigned</span> </li> <li><strong>milestone</strong> <span class="trac-field-old">To Be Determined</span> → <span class="trac-field-new">Boost-1.45.0</span> </li> </ul> <p> Ouch, that's a killer bug. Thanks for the report! I will commit the fix asap. </p> Ticket Christopher Schmidt Sun, 22 Aug 2010 11:30:49 GMT https://svn.boost.org/trac10/ticket/4580#comment:2 https://svn.boost.org/trac10/ticket/4580#comment:2 <ul> <li><strong>status</strong> <span class="trac-field-old">assigned</span> → <span class="trac-field-new">closed</span> </li> <li><strong>resolution</strong> → <span class="trac-field-new">fixed</span> </li> </ul> <p> Fixed in <a class="changeset" href="https://svn.boost.org/trac10/changeset/64946" title="fix for #4580">[64946]</a> </p> Ticket