Compile-time check for properties that need to be URL-encoded about moya HOT 2 CLOSED

private static var endpointsClosure = { (target: ArtsyAPI, method: Moya.Method, parameters: [String: AnyObject]) -> Endpoint<ArtsyAPI> in        
    var endpoint: Endpoint<ArtsyAPI> = Endpoint<ArtsyAPI>(URL: url(target), sampleResponse: .Success(200, target.sampleData), method: method, parameters: parameters)

    // target-specific parameters
    switch target {
    case .FindBidderRegistration(let auctionID, let phone):
        endpoint = endpoint.endpointByAddingParameters(["sale_id": auctionID, "phone": phone])
    default:
        // Need at least one statement to appese the compiler
        _ = endpoint
    }

    return endpoint
}