 class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code><a href="../../../../io/delta/standalone/expressions/UnaryExpression.html#eval-io.delta.standalone.data.RowRecord-">eval</a></code>&nbsp;in class&nbsp;<code><a href="../../../../io/delta/standalone/expressions/UnaryExpression.html" title="class in io.delta.standalone.expressions">UnaryExpression</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>record</code> - the input record to evaluate.</dd>
<dt><span class="retur