pan class="mdzsyn-operator">.</span><span class="mdzsyn-operator">)</span><span class="mdzsyn-operator">;</span></code></pre><p>Use <code class="mendoza-code">janet_panicf</code> to create descriptive, formatted error messages for functions. The format string
is much like that of printf, but is specialized for working with Janet values.
The pretty printing formatters can take a precision argument
to specify the maximum nesting depth to print.
</p>
<table><tr><th>Formatter</th><th>Description</th><th>Type</t