This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Encoding.inspect (from ruby core) --- enc.inspect -> string --- Returns a string which represents the encoding for programmers. Encoding::UTF_8.inspect #=> "#<Encoding:UTF-8>" Encoding::ISO_2022_JP.inspect #=> "#<Encoding:ISO-2022-JP (dummy)>"
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.