n><span class="keyword">and</span> expression</span><span> = </span><span>{</span></code><ol><li id="type-expression.location" class="def record field anchored"><a href="#type-expression.location" class="anchor"></a><code><span>location : <a href="#type-location">location</a>;</span></code></li><li id="type-expression.simple_expression" class="def record field anchored"><a href="#type-expression.simple_expression" class="anchor"></a><code><span>simple_expression : <a href="#type-simple_expression">simple_ex