ple valid interpretations of a function call. Stan requires that there be a unique signature which minimizes the number of promotions required.</p>
<p>Consider the following two overloaded functions</p>
<div class="sourceCode" id="cb6"><pre class="sourceCode stan code-with-copy"><code class="sourceCode stan"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="dt">real</span> foo(<span class="dt">int</span> a, <span class="dt">real</span> b);</span>
<span id="cb6-2"><a href="#