method
    
    pretty_print_instance_variables
 
  pretty_print_instance_variables()
  public
  Returns a sorted array of instance variable names.
This method should return an array of names of instance variables as symbols or strings as: +[:@a, :@b]+.

 RSpec
RSpec Ruby on Rails
Ruby on Rails Ruby
Ruby 
   = private
 = private = protected
 = protected
  