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

=~

        # NilClass.=~

(from ruby core)
---
    nil =~ other  -> nil

---

Dummy pattern matching -- always returns nil.



      

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.