This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# PrettyPrint::SingleLine.first? (from ruby core) ### Implementation from SingleLine --- first?() --- This is used as a predicate, and ought to be called first.
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.