This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.


        # RegexpError < StandardError

(from ruby core)
Raised when given an invalid regexp expression."?")

*raises the exception:*

    RegexpError: target of repeat operator is not specified: /?/


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.