title: What are the `^let` annotations in Android Studio / IntelliJ?
body: <p>In a <code>let</code> block, I sometimes see <code>^let</code> annotations before my statements, and it's not clear to me what they mean or why they are there.</p>
  
  <p>Is it to indicate that a value will be returned as the value of the <code>let</code> call?</p>
  
  <p>Screenshot:</p>
  
  <p><a href="https://i.stack.imgur.com/koLi8.png" rel="noreferrer"><img src="https://i.stack.imgur.com/koLi8.png" alt="code snippet with ^let annotations"></a></p>