function newsletterSettingsSubmit( state = false, { type } ) {
	switch ( type ) {
		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT:
		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_SUCCESS:
		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE:
			return WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT === type;
	}

	return state;
}
function newsletterSettingsSubmit( state = false, { type } ) {
	switch ( type ) {
		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT:
		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_SUCCESS:
		case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE:
			return WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT === type;
	}

	return state;
}
function newsletterSettingsSubmit ( state = false , { type } ) { switch ( type ) { case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT : case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_SUCCESS : case WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT_FAILURE : return WOOCOMMERCE_MAILCHIMP_NEWSLETTER_SETTINGS_SUBMIT === type ; } return state ; }
Updates state with newsletter submit status

@param  {Object} state  Current state
@param  {Object} action Action
@return {Object}        Updated state
Updates state with newsletter submit status