fier">string</span><span class="special">&gt;</span> <span class="identifier">out</span><span class="special">(</span><span class="identifier">str</span><span class="special">);</span>
<span class="identifier">karma</span><span class="special">::</span><span class="identifier">generate</span><span class="special">(</span><span class="identifier">out</span><span class="special">,</span> <span class="identifier">int_</span><span class="special">,</span> <span class="identifier">value</span><span class="specia