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

reverse 

        # String.reverse

(from ruby core)
---
    reverse -> string

---

Returns a new string with the characters from `self` in reverse order.

    'stressed'.reverse # => "desserts"

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.