Medium. Get list of state machines names provided by gem `aasm` article

aasm.readme example.rb

class SimpleMultipleExample
  include AASM
  aasm(:move, column: 'move_state') do
    state :standing, initial: true
    state :walking
    state :running

    event :walk do
      transitions from: :standing, to: :walking
    end
    event :run do
      transitions from: [:standing, :walking], to: :running
    end
    event :hold do
      transitions from: [:walking, :running], to: :standing
    end
  end

  aasm(:work, column: 'work_state') do
    state :sleeping, initial: true
    state :processing

    event :start do
      transitions from: :sleeping, to: :processing
    end
    event :stop do
      transitions from: :processing, to: :sleeping
    end
  end
end