"p">,</span> <span class="n">nullable</span><span class="p">)</span> <span class="n">NSNumber</span><span class="o">&lt;</span><span class="n"><a href="../Protocols.html#/c:objc(pl)SDLUInt">SDLUInt</a></span><span class="o">&gt;</span> <span class="o">*</span><span class="n">length</span><span class="p">;</span></code></pre>

  
  <h4>Swift</h4>
  <pre class="highlight swift"><code><span class="k">var</span> <span class="nv">length</span><span class="p">:</span> <span class="p">(</span><span class="kt">NSNu