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

each

        # Set.each

(from ruby core)
---
    each(&block)

---

Calls the given block once for each element in the set, passing
the element as parameter. Returns an enumerator if no block is
given.



      

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.