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

Digest::Class 

        # Digest::Class < Object

---
# Includes:
Digest::Instance (from ruby core)

(from ruby core)
---

This module stands as a base class for digest implementation classes.

---
# Class methods:

    base64digest
    bubblebabble
    digest
    file
    hexdigest

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.