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

<=>

        # BigDecimal.<=>

(from ruby core)
---
    <=>(p1)

---

The comparison operator. a <=> b is 0 if a == b, 1 if a > b, -1 if a <
b.



      

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.