This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Gem::Specification.spec_dir (from ruby core) ### Implementation from Specification --- spec_dir() --- Returns the full path to the directory containing this spec's gemspec file. eg: /usr/local/lib/ruby/gems/1.8/specifications
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.