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


        # FiberError < StandardError

(from ruby core)
Raised when an invalid operation is attempted on a Fiber, in particular
when attempting to call/resume a dead fiber, attempting to yield from
the root fiber, or calling a fiber across threads.

    fiber ={}
    fiber.resume #=> nil
    fiber.resume #=> FiberError: dead fiber called


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.