Snoopy the helpful WTF? tool

snoopy.rb

class Snoopy < BasicObject
  def initialize(obj)
    @obj = obj
  end

  def method_missing(method, *attributes, &block)
    @obj.send(method, *attributes, &block).tap do |val|
      @obj.send(:puts, "#{method} #{attributes} -> #{val}")
      @obj.send(:puts, "\t#{::Kernel.caller.to_a[0..2].join("\n\t")}\n\n")
    end
  end
end