This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Psych::Handler.event_location (from ruby core) ### Implementation from Handler --- event_location(start_line, start_column, end_line, end_column) --- Called before each event with line/column information.
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.