This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Logger.fatal? (from ruby core) --- fatal?() --- Returns `true` if and only if the current severity level allows for the printing of `FATAL` messages.
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.