Medium article - KMM

SharedFunction.swift

static func createReservation() -> Future<Void, Error> {
    return Future() { promise in
        manager.createReservation() { response, error in
            if response != nil {
                promise(Result.success(()))
            } else if let error = error {
                promise(Result.failure(error.toAppError()))
            }
        }
    }
}

extension KotlinThrowable {
    // Creates a LocalizedError using the error message returned from KotlinThrowable
    func toAppError() -> AppError {
        AppError.withText(self.message ?? "")
    }
}