ious
programming error.</p></li></ul>

<p><strong>Parameters:</strong>
  <strong>message:</strong> A string to print in a playground or <code>-Onone</code> build. The
    default is an empty string.
  <strong>file:</strong> The file name to print with <code>message</code>. The default is the file
    where <code>assertionFailure(_:file:line:)</code> is called.
  <strong>line:</strong> The line number to print along with <code>message</code>. The default is the
    line number where <code>assertionFailure(_: