title: Boolean function for True only if last True
body: <p>Is there any way how to get true only if second value is true?</p>
  
  <pre><code>| A | B | Result |
  |---|---|--------|
  | 0 | 0 | 0      |
  | 0 | 1 | 1      |
  | 1 | 0 | 0      |
  | 1 | 1 | 0      |
  </code></pre>