This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IO.autoclose? (from ruby core) --- ios.autoclose? -> true or false --- Returns `true` if the underlying file descriptor of *ios* will be closed automatically at its finalization, otherwise `false`.
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.