old_contents: /**
   * Return an array of function of the form x => { type, payload = x }
   */
  export function createActions(...types) {
    return types.map(createAction)
  }
  
  /**
   * Create a single action of the form x => { type, payload = x }
   */
  export function createAction(type) {
    return (payload, error) => (Object.assign({ type }, payload ? { payload } : {}, error ? { error } : {}))
  }
  
new_contents: /**
   * Return an array of function of the form x => { type, payload = x }
   */
  export function createActions(...types) {
    return types.map(createAction)
  }
  
  /**
   * Create a single action of the form x => { type, payload = x }
   */
  export function createAction(type) {
    return (payload, error) => (Object.assign({ type }, payload ? { payload } : {}, error ? { error } : {}))
  }
  
  /**
   * Create a single action of the form x => { type }
   * Use this for actions that do not carry any payload, this is useful especially if the action is
   * going to be used as an event handler to avoid accidentally including the DOM event as payload.
   */
  export function createAction0(type) {
    return () => ({ type })
  }
  
  /**
   * Return an array of action creators.
   * Use this for actions that do not carry any payload.
   * 
   * @returns {Array}
   */
  export function creactActions0(...types) {
    return types.map(createAction0)
  }
subject: Add createAction0 method for action without payload