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

getc 

        # IO.getc

(from ruby core)
---
    ios.getc   -> string or nil

---

Reads a one-character string from *ios*. Returns `nil` if called at end
of file.

    f = File.new("testfile")
    f.getc   #=> "h"
    f.getc   #=> "e"

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.