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

day_fraction 

        # Date.day_fraction

(from ruby core)
---
    d.day_fraction  ->  rational

---

Returns the fractional part of the day.

    DateTime.new(2001,2,3,12).day_fraction    #=> (1/2)

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.