This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# RuntimeError < StandardError (from ruby core) --- A generic error class raised when an invalid operation is attempted. Kernel#raise will raise a RuntimeError if no Exception class is specified. raise "ouch" *raises the exception:* RuntimeError: ouch ---
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.