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

empty?

        # IO::Buffer.empty?

(from ruby core)
### Implementation from Buffer
---
    external? -> true or false

---

    If the buffer is _external_, meaning it references from memory which is not
    allocated or mapped by the buffer itself.

    A buffer created using ::for has an external reference to the string's
    memory.

External buffer can't be resized.



      

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.