<span class="hljs-comment">(* here is a multi-line comment on one line *)</span>

<span class="hljs-comment">(*
    here is a multi-line comment on
    multiple lines
*)</span>

<span class="hljs-keyword">let</span> index =
    len
    |&gt; float
    |&gt; Operators.(*) <span class="hljs-number">0.1</span>      <span class="hljs-comment">// (*) here is not comment</span>
    |&gt; Operators.(+) <span class="hljs-number">1</span>        <span class="hljs-comment">// (+) here is not comment</span>
    |&gt; Operators.(-) len      <span class="hljs-comment">// (-) here is not comment</span>
;;
