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

inspect 

        # MatchData.inspect

(from ruby core)
---
    mtch.inspect   -> str

---

Returns a printable version of *mtch*.

    puts /.$/.match("foo").inspect
    #=> #<MatchData "o">

    puts /(.)(.)(.)/.match("foo").inspect
    #=> #<MatchData "foo" 1:"f" 2:"o" 3:"o">

    puts /(.)(.)?(.)/.match("fo").inspect
    #=> #<MatchData "fo" 1:"f" 2:nil 3:"o">

    puts /(?<foo>.)(?<bar>.)(?<baz>.)/.match("hoge").inspect
    #=> #<MatchData "hog" foo:"h" bar:"o" baz:"g">

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.