andlebars language-handlebars"><span class="token delimiter punctuation">{{</span><span class="token block keyword">/unless</span><span class="token delimiter punctuation">}}</span></span>
<span aria-hidden="true" class="line-numbers-rows"><a href="#C3_L1" id=C3_L1></a><a href="#C3_L2" id=C3_L2></a><a href="#C3_L3" id=C3_L3></a></span></code></pre>
<p><code>{{#if}}</code> and <code>{{#unless}}</code> are examples of block expressions. These allow you
to invoke a helper with a portion of your template. Block