https://svn.boost.org/trac10/ticket/8623 <p> The attached patch removes the dependency on <code>boost::blank</code>, while incidentally improving error messages when the metafunction preconditions do not hold. </p> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/8623 Trac 1.4.3 K-ballo <kaballo86@…> Tue, 28 May 2013 02:37:21 GMT https://svn.boost.org/trac10/ticket/8623 https://svn.boost.org/trac10/ticket/8623 <ul> <li><strong>attachment</strong> → <span class="trac-field-new">function_types.blank.patch</span> </li> </ul> <p> patch </p> Ticket