This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# StringIO.seek (from ruby core) --- strio.seek(amount, whence=SEEK_SET) -> 0 --- Seeks to a given offset *amount* in the stream according to the value of *whence* (see IO#seek).
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.