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

inspect 

        # Socket::AncillaryData.inspect

(from ruby core)
### Implementation from AncillaryData
---
    ancillarydata.inspect => string

---

returns a string which shows ancillarydata in human-readable form.

    p Socket::AncillaryData.new(:INET6, :IPV6, :PKTINFO, "").inspect
    #=> "#<Socket::AncillaryData: INET6 IPV6 PKTINFO \"\">"

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.