om the closure for later use.</p>

<p><strong><code>body</code>:</strong>  A closure that takes a buffer pointer to the static
  string&#39;s UTF-8 code unit sequence as its sole argument. If the closure
  has a return value, it is used as the return value of the
  <code>withUTF8Buffer(invoke:)</code> method. The pointer argument is valid only
  for the duration of the closure&#39;s execution.
<strong>Returns:</strong> The return value of the <code>body</code> closure, if any.</p>

    <h4>Declaration</h4> 