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

ObjectSpace::WeakMap 

        # ObjectSpace::WeakMap < Object

---
# Includes:
Enumerable (from ruby core)

(from ruby core)
---
An ObjectSpace::WeakMap object holds references to any objects, but
those objects can get garbage collected.

This class is mostly used internally by WeakRef, please use
`lib/weakref.rb` for the public interface.
---
# Instance methods:

    []
    []=
    each
    each_key
    each_pair
    each_value
    include?
    inspect
    key?
    keys
    length
    member?
    size
    values

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.