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

== 

        # Set.==

(from ruby core)
---
    ==(other)

---

Returns true if two sets are equal. The equality of each couple
of elements is defined according to Object#eql?.
    Set[1, 2] == Set[2, 1]                       #=> true
    Set[1, 3, 5] == Set[1, 5]                    #=> false
    Set['a', 'b', 'c'] == Set['a', 'c', 'b']     #=> true
    Set['a', 'b', 'c'] == ['a', 'c', 'b']        #=> false

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.