This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# String.chr (from ruby core) --- chr -> string --- Returns a string containing the first character of `self`: s = 'foo' # => "foo" s.chr # => "f"
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.