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null?

        # IO::Buffer.null?

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

---

If the buffer was freed with #free or was never allocated in the first
place.



      

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.