title: How to Borrow variable multiple times for Logical Operator
body: <p>How do we use a variable multiple times as ref for a logical operation? E.g, an OR statement?</p>
  <pre><code>let check:HashMap&lt;i8, i8&gt; = HashMap::new();
  // insert some data into hashmap
  if &amp;check.contains_key(1) || &amp;check.contains_key(3) {
      println!(&quot;YES!&quot;);
  
  }
  
  </code></pre>
  <p>Sorry, new to rust, but trying to learn</p>