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

inspect 

        # StringScanner.inspect

(from ruby core)
---
    inspect()

---

Returns a string that represents the StringScanner object, showing:
*   the current position
*   the size of the string
*   the characters surrounding the scan pointer

    s = StringScanner.new("Fri Dec 12 1975 14:39") s.inspect           
    # -> '#<StringScanner 0/21 @ "Fri D...">' s.scan_until /12/    # ->
    "Fri Dec 12" s.inspect            # -> '#<StringScanner 10/21 "...ec
    12" @ " 1975...">'

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.