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

to_s

        # Exception.to_s

(from ruby core)
---
    exception.to_s   ->  string

---

Returns exception's message (or the name of the exception if no message
is set).



      

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.