Examine all ruby instance variables within current context

see_all_instance_variables.rb

class A
  attr_accessor :foo, :bar

  def context
    self.instance_variables.map do |attribute|
      { attribute => self.instance_variable_get(attribute) }
    end
  end
end

a = A.new
a.foo = "foo"
a.bar = 42
a.context #=> [{ :@foo => "foo" }, { :@bar => 42 }]