&lt;</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;            boost::UnaryFunctionConcept</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;            &lt;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;                D,</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;                <span class="keyword">typename</span> detail::remove_const_and_reference&lt;typenam