This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IO.nonblock? (from ruby core) --- io.nonblock? -> boolean --- Returns `true` if an IO object is in non-blocking mode.
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.