>

   <span class="identifier">BOOST_STATIC_ASSERT</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">numeric_limits</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;::</span><span class="identifier">digits</span> <span class="special">&gt;=</span> <span class="number">32</span><span class="special">);</span>
   <span class="identifier">BOOST_STATIC_ASSERT</span><span class="special">(