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

close_write 

        # BasicSocket.close_write

(from ruby core)
---
    basicsocket.close_write => nil

---

Disallows further write using shutdown system call.

    UNIXSocket.pair {|s1, s2|
      s1.print "ping"
      s1.close_write
      p s2.read        #=> "ping"
      s2.print "pong"
      s2.close
      p s1.read        #=> "pong"
    }

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.