This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Logger.datetime_format= (from ruby core) --- datetime_format=(datetime_format) --- Set date-time format. `datetime_format` : A string suitable for passing to `strftime`.
This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.