This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Pathname.readlines (from ruby core) --- pathname.readlines(sep=$/ [, open_args]) -> array pathname.readlines(limit [, open_args]) -> array pathname.readlines(sep, limit [, open_args]) -> array --- Returns all the lines from the file. See File.readlines.
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.