chrismgray/4clojure — comment on commit e3e7c9444672302d243a6347eb900499e0308820
File:  line 0
By amalloy:

The optional user was to make it possible to experiment with `mark-completed` at the repl. We haven't done this for some time now that mark-completed is actually working, but it's still nice to have a more-explicit (or, less "action at a distance") version. Ideally it would *always* take a user and be side-effect free, but that's a pretty long-term goal.