This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Rational.positive? (from ruby core) --- rat.positive? -> true or false --- Returns `true` if `rat` is greater than 0.
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.