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

+

        # Enumerator.+

(from ruby core)
---
    e + enum -> enumerator

---

Returns an enumerator object generated from this enumerator and a given
enumerable.

    e = (1..3).each + [4, 5]
    e.to_a #=> [1, 2, 3, 4, 5]



      

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.