ryanbriones/time-budget — pull request #1 by coreyhaines (2012-02-14 18:45:30+00:00)
Title: Continue refactoring of mapping stuff

#do_map was a horrible name for a really useful function. The main use of it in Enumerable was to have the guard clauses. The actual activity was awkward in that place. So, moved it in Object#map_over, which feels a bit more right.