> then you should complain and check what's in your mail Now you've wasted time and resources. > deliver_to ought to be reusable, there shouldn't be 50 versio

> then you should complain and check what's in your mail Now you've wasted time and resources. > deliver_to ought to be reusable, there shouldn't be 50 versions of it. Reality almost never pans out that way. > No, you as the message recipient make sure that what you got makes sense and how to deal with it. Indeed! May I introduce you to typed parser combinators?