Hello, I am experimenting with Erlang for views and am having trouble
locating an example of how a field should be evaluated for assignment.

ie.

I have noticed views generally have an assignment check
  if (doc.created_at) {

  }

How would this be coded in Erlang?  From what I have found Erlang doesn't
have a null. 

Thank you.

--
Regards,
Brian

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