func parsePriceLevels(minprice string, maxprice string, r *maps.TextSearchRequest) {
	if minprice != "" {
		r.MinPrice = parsePriceLevel(minprice)
	}

	if maxprice != "" {
		r.MaxPrice = parsePriceLevel(minprice)
	}
}
func parseLocation(location string, r *maps.TextSearchRequest) {
	if location != "" {
		l, err := maps.ParseLatLng(location)
		check(err)
		r.Location = &l
	}
}
func parsePlaceType(placeType string, r *maps.TextSearchRequest) {
	if placeType != "" {
		t, err := maps.ParsePlaceType(placeType)
		if err != nil {
			usageAndExit(fmt.Sprintf("Unknown place type \"%v\"", placeType))
		}

		r.Type = t
	}
}