yesodweb/persistent — comment on commit 41f3a00cc554185b1a7ce0e95a32b40e1c297ba2
File:  line 0
By snoyberg:

Sorry, I still don't like it. It's going to be a pain to maintain, and
I don't think there's any serious benefit to keeping the separation in
the repo. My experience has always said that each package boundary is
a pain point in many ways, and I'd like to be very cautious about
adding new ones.