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

stop? 

        # Thread.stop?

(from ruby core)
---
    thr.stop?   -> true or false

---

Returns `true` if `thr` is dead or sleeping.

    a = Thread.new { Thread.stop }
    b = Thread.current
    a.stop?   #=> true
    b.stop?   #=> false

See also #alive? and #status.

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.