gistfile1.txt

# include time matters
module CallInspectable
  def self.included(by)
    inherited_methods = by.public_instance_methods-by.public_instance_methods(false)
    inherited_methods.sort.each { |name|
      class_eval("def #{name}(*args); $stderr.puts \"Called '#{name}' in #{by}\"; super; end")
    }
  end
end

class Foo < Array
  def bar; "bar"; end
  include CallInspectable
end

a = Foo.new
puts "call []"
a[0]
puts "call bar"
a.bar
puts "end"