="anchor"></a><code><span class="keyword">type</span> interval</code></dt></dl><dl><dt class="spec value" id="val-interval"><a href="#val-interval" class="anchor"></a><code><span class="keyword">val</span> interval : <span>?&#8288;from:string</span> <span>&#45;&gt;</span> <span>?&#8288;until:string</span> <span>&#45;&gt;</span> unit <span>&#45;&gt;</span> <a href="index.html#type-interval">interval</a></code></dt></dl><dl><dt class="spec type" id="type-t"><a href="#type-t" class="anchor"></a><code><span cla