ode">undefined</code>, <code class="code">null</code> or <code class="code">'a</code>
    this type is the same as type <code class="code">t</code> n <a href="Js.Null_undefined.html"><code class="code">Js.Null_undefined</code></a><br>
 
                </div>
                </div> </td></tr>
<tr><td align="left"><br>O</td></tr>
<tr><td><a href="Js_types.html#TYPEobj_val">obj_val</a> [<a href="Js_types.html">Js_types</a>]</td>
<td> <div class="info">                     
                <div class="not-exam