.html#TYPEformat6">format6</a></code></pre><div class="info ">
<div class="info-desc">
<p><code class="code">format_from_string&nbsp;s&nbsp;fmt</code> converts a string argument to a format string,
    according to the given format string <code class="code">fmt</code>.
    Raise <a href="Scanf.html#EXCEPTIONScan_failure"><code class="code"><span class="constructor">Scanf</span>.<span class="constructor">Scan_failure</span></code></a> if <code class="code">s</code>, considered as a format string, does not
  