yohhoy

<a href="https://stackoverflow.com/a/39151070/684921" target="_blank" rel="nofollow noopener noreferrer">StackOverflow - Is there a shorter way to write compound 'if' conditions?</a>
<blockquote>
Templates allow us to express ourselves in this way:
<div class="code-block-container"><pre class="language-cpp"><code class="language-cpp">if (range("A-F").contains(ch)) { ... }
</code></pre></div>
It requires a little plumbing, which you can put in a library. 
[...]
</blockquote>