This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Integer.rationalize (from ruby core) --- int.rationalize([eps]) -> rational --- Returns the value as a rational. The optional argument `eps` is always ignored.
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.