ain loop, act on level changes
</span></span></span><span style="display:flex;"><span><span style="color:#75715e"></span>	<span style="color:#66d9ef">for</span> {
</span></span><span style="display:flex;"><span>		<span style="color:#66d9ef">select</span> {
</span></span><span style="display:flex;"><span>		<span style="color:#66d9ef">case</span> <span style="color:#a6e22e">msg</span> <span style="color:#f92672">:=</span> <span style="color:#f92672">&lt;-</span><span style="color:#a6e22e">levelChan</span>:
</