This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Psych::TreeBuilder.end_document (from ruby core) ### Implementation from TreeBuilder --- end_document(implicit_end = !streaming?) --- Handles end_document events with `version`, `tag_directives`, and `implicit` styling. See Psych::Handler#start_document
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.