 more than nullary (no-argument)
functions. For instance, the mathematical constants <span class="math inline">\(\pi\)</span> and <span class="math inline">\(e\)</span> are
represented as nullary functions named <code>pi()</code> and <code>e()</code>.
See the <a href="#built-in-constants.section">built-in constants section</a> for a list of built-in constants.</p>
</div>
<div id="type-promotion-and-function-resolution" class="section level3 unnumbered">
<h3>Type promotion and function resolution</h3>
<p>Bec