Boost C++ Libraries: Ticket #1476: always<> is not nullary. https://svn.boost.org/trac10/ticket/1476 <p> mpl::always is not nullary: </p> <pre class="wiki">#include &lt;boost/mpl/apply.hpp&gt; #include &lt;boost/mpl/always.hpp&gt; typedef boost::mpl::apply&lt; boost::mpl::always&lt;int&gt; &gt;::type should_be_int; </pre><p> This doesn't compile. IMHO, this should compile. </p> en-us Boost C++ Libraries /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/1476 Trac 1.4.3 Joel Falcou Sun, 10 Apr 2011 11:20:31 GMT owner changed https://svn.boost.org/trac10/ticket/1476#comment:1 https://svn.boost.org/trac10/ticket/1476#comment:1 <ul> <li><strong>owner</strong> changed from <span class="trac-author">Aleksey Gurtovoy</span> to <span class="trac-author">Joel Falcou</span> </li> </ul> Ticket Joel Falcou Sun, 10 Apr 2011 11:28:41 GMT status changed; resolution set https://svn.boost.org/trac10/ticket/1476#comment:2 https://svn.boost.org/trac10/ticket/1476#comment:2 <ul> <li><strong>status</strong> <span class="trac-field-old">new</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="ext-link" href="http://svn.boost.org/trac/boost/changeset/71163"><span class="icon">​</span>http://svn.boost.org/trac/boost/changeset/71163</a> </p> Ticket