arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-bool"><a href="#val-bool" class="anchor"></a><code><span><span class="keyword">val</span> bool : <span>string <span class="arrow">&#45;&gt;</span></span> <span>bool <span class="arrow">&#45;&gt;</span></span> <a href="#type-t">t</a></span></code></div><div class="spec-doc"><p><code>bool name value</code> is <code>attr name &quot;&quot;</code> if <code>value</code> i