title: What is the appropriate way to handle warning: "The expression of type x is boxed into x"
body: <p>I'm <strong>not</strong> looking to to turn off or ignore the warning as in <a href="https://stackoverflow.com/questions/5039105/the-expression-of-type-x-is-boxed-into-x">The expression of type x is boxed into X?</a>.</p>
  
  <p>I'd like to know what the correct way to handle/avoid this warning is if one was so inclined.</p>