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

length

        # Array.length

(from ruby core)
---
    array.length -> an_integer

---

Returns the count of elements in `self`.



      

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.