<span class="keyword">typename</span> T<span class="special">&gt;</span> 
      <span class="identifier">BOOST_CXX14_CONSTEXPR</span> <span class="identifier">BidiIter</span> 
      <a name="boost.algorithm.find_bac_idm45737545879136"></a><span class="identifier">find_backward</span><span class="special">(</span><span class="identifier">BidiIter</span> first<span class="special">,</span> <span class="identifier">BidiIter</span> last<span class="special">,</span> <span class="keyword">const</span> <span clas