-* You'll want to use the implementation of "implicitly represented" mutable variables that we discussed at the end of this week's meeting, or the "state monad" Chris presented, which is a simple version of the former. Conceptually, though, it's sometimes useful to switch back and forth between the "implicitly represented" model and the "explicitly represented" model.
+ * You'll want to use the implementation of "implicitly represented" mutable variables that we discussed at the end of this week's meeting, or the "state monad" Chris presented, which is a simple version of the former.