Argument passed to call that takes no arguments

[NasrullahKhan]

func fetchUser(withUid uid: String, completion: @escaping(User) -> Void) {
    Firestore.firestore().collection("users")
        .document(uid)
        .getDocument { snapshot, _ in
            guard let snapshot = snapshot else { return }
            var user: User

            do {
                user = try snapshot.data(as: User.self)
            } catch {
                print ("Error fetchUser: \(error)")
                return
            }

            completion(user)
        }
}

[NasrullahKhan]

by updating to latest firebase, the issue is solved. Thanks for your work. actually i'm swift uikit from a decade and there is lot of learning from your code about swiftui. Thanks for your amazing work