This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Method.owner (from ruby core) --- meth.owner -> class_or_module --- Returns the class or module that defines the method. See also Method#receiver. (1..3).method(:map).owner #=> Enumerable
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.