This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# StringIO.close (from ruby core) --- strio.close -> nil --- Closes a StringIO. The stream is unavailable for any further data operations; an `IOError` is raised if such an attempt is made.
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.