tion id="failable" class="j2-item j2-swift">
    <a name="//apple_ref/cpp/Property/var%20failable%3A%20RbFailableAccess" class="dashAnchor j2-item-dash-anchor" data-item-id="failable"></a>
    <h4 class="visually-hidden">var failable: RbFailableAccess</h4>
    
    
    <a class="j2-item-title" href="#_failable" data-bs-toggle="collapse" role="button" aria-expanded="false" aria-controls="_failable"><code>
        <span class="j2-swift"><span class="j2-item-secondary">var </span>failable<span class="j2-item-