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

hour 

        # Time.hour

(from ruby core)
---
    time.hour -> integer

---

Returns the hour of the day (0..23) for *time*.

    t = Time.now   #=> 2007-11-19 08:26:20 -0600
    t.hour         #=> 8

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.