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

[] 

        # Symbol.[]

(from ruby core)
---
    sym[idx]      -> char
    sym[b, n]     -> string
    sym.slice(idx)      -> char
    sym.slice(b, n)     -> string

---

Returns `sym.to_s[]`.

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.