   These strings offer performance advantages when a protocol imposes a natural
        small upper limit on the size of a value.
      </p>
<h5>
<a name="beast.ref.boost__beast__websocket__ping_data.h4"></a>
        <span class="phrase"><a name="beast.ref.boost__beast__websocket__ping_data.remarks"></a></span><a class="link" href="boost__beast__websocket__ping_data.html#beast.ref.boost__beast__websocket__ping_data.remarks">Remarks</a>
      </h5>
<p>
        The stored string is always null-terminated.
   