https://svn.boost.org/trac10/ticket/10515 <p> This page: <a href="http://www.boost.org/doc/libs/1_56_0/libs/range/doc/html/range/reference/adaptors/reference/filtered.html">http://www.boost.org/doc/libs/1_56_0/libs/range/doc/html/range/reference/adaptors/reference/filtered.html</a> </p> <p> reads: </p> <pre class="wiki">Range Return Type: boost::filtered_range&lt;decltype(rng)&gt; </pre><p> But the code shows that it has two template parameters. </p> <pre class="wiki">namespace boost { namespace range_detail { template&lt; class P, class R &gt; struct filtered_range : </pre><p> Maybe other similar pages lack parameters, I don't know, but they all seem to have a single one documented. </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/10515 Trac 1.4.3 Neil Groves Mon, 02 Feb 2015 01:22:17 GMT https://svn.boost.org/trac10/ticket/10515#comment:1 https://svn.boost.org/trac10/ticket/10515#comment:1 <ul> <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 1.58.0</span> </li> </ul> Ticket