u have `vector&lt;uint8_t&gt; v(10);`.  This will create a buffer and fill with at least 10 zeroes.</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment"> * What if you want it *not* do this?  Maybe you don&#39;t want it because performance.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"> * Actually, consider an even sneakier situation that involves correctness, not just p