/content/sectbyfn/books_pres_0/6515/sicp.zip/full-text/book/book-Z-H-24.html#%25_sec_3.5.1" title="SICP Section 3.5.1">(Section&nbsp;3.5.1)</a></p>
</blockquote>
<h3 id="3.5.1.2" class="anchor">
<a class="anchor__link link" href="#3.5.1.2" aria-hidden="true">#</a> Implementing <code>delay</code> and <code>force</code>
</h3>
<ul>
<li>Promises are quite straightforward to implement.</li>
<li><code>(<span class="kw">delay</span> <span class="mv">exp</span>)</code> is syntactic sugar for <code>(<span class="kw"