lass="anchored" data-anchor-id="function-names">Function names</h2>
<p>The rules for function naming and function-argument naming are the same as for other variables; see the <a href="#variables.section">section on variables</a> for more information on valid identifiers. For example,</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode stan code-with-copy"><code class="sourceCode stan"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="dt">real</span> foo(<span class=