This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Gem::StubSpecification < Gem::BasicSpecification (from ruby core) --- Gem::StubSpecification reads the stub: line from the gemspec. This prevents us having to eval the entire gemspec in order to find out certain information. ---
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.