 class="p">,</span> <span class="n">size_t</span> <span class="n">bufferlen</span><span class="p">,</span> <span class="kt">int</span> <span class="n">v</span><span class="p">)</span> <span class="k">noexcept</span>
<span class="p">{</span>
  <span class="k">try</span>
  <span class="p">{</span>
    <span class="c1">// Could throw an exception!
</span><span class="c1"></span>    <span class="n">std</span><span class="o">::</span><span class="n">string</span> <span class="n">temp</span><span class="p">(</spa