 </p>
                <p>
                  Construct a yield context from another yield context type.
                </p>
              </td>
</tr>
<tr>
<td>
                <p>
                  <a class="link" href="basic_yield_context/operator_lb__rb_.html" title="basic_yield_context::operator[]"><span class="bold"><strong>operator[]</strong></span></a>
                </p>
              </td>
<td>
                <p>
                  Return a yield context that sets the specified error_code.
        