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

receiver

        # Method.receiver

(from ruby core)
---
    meth.receiver    -> object

---

Returns the bound receiver of the method object.

    (1..3).method(:map).receiver # => 1..3



      

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.