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

alive? 

        # Thread.alive?

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

---

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

    thr = Thread.new { }
    thr.join                #=> #<Thread:0x401b3fb0 dead>
    Thread.current.alive?   #=> true
    thr.alive?              #=> false

See also #stop? 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.