whole_func_string: function newsletterSettingsSubmitError( state = false, action ) {
  	switch ( action.type ) {
  		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_SUCCESS:
  		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE:
  			const error =
  				WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE === action.type
  					? action.error
  					: false;
  			return error;
  	}
  
  	return state;
  }
func_code_string: function newsletterSettingsSubmitError( state = false, action ) {
  	switch ( action.type ) {
  		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_SUCCESS:
  		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE:
  			const error =
  				WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE === action.type
  					? action.error
  					: false;
  			return error;
  	}
  
  	return state;
  }
func_documentation_string: Updates state with newsletter settings submit error
  Holds information only for latest request
  
  @param  {Object} state  Current state
  @param  {Object} action Action
  @return {Object}        Updated state