This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

eof 

        # StringIO.eof

(from ruby core)
---
    strio.eof     -> true or false
    strio.eof?    -> true or false

---

Returns true if the stream is at the end of the data (underlying
string). The stream must be opened for reading or an `IOError` will be
raised.

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.