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

    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.