Its funny because I basically asked a question a long time ago on SO on how to handle similar problems: http://stackoverflow.com/questions/2807629/handling-incr

Its funny because I basically asked a question a long time ago on SO on how to handle similar problems: http://stackoverflow.com/questions/2807629/handling-incremental-data-modeling-changes-in-functional-programming http://stackoverflow.com/questions/2807629/handling-incremen... <strike> And I'm thinking the gentleman that answered might actually be the same person as the author. </strike> ... probably not but the answer reminds me of this article.