This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Gem::Specification.email (from ruby core) --- A contact email address (or addresses) for this gem Usage: spec.email = 'john.jones@example.com' spec.email = ['jack@example.com', 'jill@example.com']
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.