This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Date.as_json (from ruby core) --- as_json(*) --- Returns a hash, that will be turned into a JSON object and represent this object.
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.