playframework/Play20 — comment on commit f35fd305d98038ab0fe3f8076368ee7f8d90015b
File:  line 0
By recalcitrant:

One last thing:

How would I get around this error using:

(User.instance ~ Permission.instance *) map (_.groupBy(_._1) mapValues (_._2))

=>

value _2 is not a member of List[anorm.~[models.auth.User,models.auth.Permission]]