This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# DateTime.to_s (from ruby core) --- dt.to_s -> string --- Returns a string in an ISO 8601 format. (This method doesn't use the expanded representations.) DateTime.new(2001,2,3,4,5,6,'-7').to_s #=> "2001-02-03T04:05:06-07:00"
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.