title: Is there a nicer way to apply a function to both elements of a pair in a list than a list comprehension?
body: <p>I use this a fair bit:</p>
  
  <pre><code>a' = [ (f x, f y) | (x, y) &lt;- a ]
  </code></pre>
  
  <p>Is there a better way to do that?</p>