title: Using after_validation with an if or clause
body: <p>Can someone please point me to the right direction.</p>
  
  <p>I'm using after_validation to compete geocoding and I wanted to know how I can tact on an or || option to an if clause.</p>
  
  <p>This works as intended</p>
  
  <pre><code>class Address &lt; ActiveRecord::Base
  
  after_validation :geocode, if: :address_changed?
  </code></pre>
  
  <p>But this doesn't</p>
  
  <pre><code>class Address &lt; ActiveRecord::Base
  
  after_validation :geocode, if: :address_changed? || :zipcode_changed?
  </code></pre>
  
  <p>Thanks in advance.</p>