This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Logger.<< (from ruby core) --- <<(msg) --- Dump given message to the log device without any formatting. If no log device exists, return `nil`.
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.