This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# IO::EINPROGRESSWaitWritable < rb_eEINPROGRESS --- # Includes: IO::WaitWritable (from ruby core) (from ruby core) --- exception to wait for writing by EINPROGRESS. see IO.select. ---
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.