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func validateNationalCode(_ code: String) -> Bool {

    let stringCode = code.trimmingCharacters(in: CharacterSet.decimalDigits.inverted)
    if code.allSatisfy({ $0 == code.first }) { return false }

    guard stringCode.count == 10 else { return false }

    var convertedCode = code.compactMap { Int(String($0)) }
    guard convertedCode.count == 10 else { return false }

MojtabaHs

extension UIResponder {
    func nextFirstResponder(where condition: (UIResponder) -> Bool ) -> UIResponder? {
        guard let next = next else { return nil }
        if condition(next) { return next }
        else { return next.nextFirstResponder(where: condition) }
    }
}

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Medium Article Code Snippets for:

Implement Custom Activity Indicator With The SwiftUI

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infix operator ..

@inline(__always)
func ..<T: EmptyInitializable>(lhs: T, rhs: (T)->()) -> T {
    rhs(lhs)
    return lhs
}

/* Example:

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@propertyWrapper
public struct SettingsBundleStorage<T> {
    
    private let key: String

    private let userDefaults: UserDefaults = .standard

    public init(key: String) {
        self.key = key
        setBundleDefaults(plist: .root)

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import Foundation

@propertyWrapper
public struct UserDefaultStorage<T: Codable> {
    private let key: String
    private let defaultValue: T

    private let userDefaults: UserDefaults

    public init(key: String, default: T, store: UserDefaults = .standard) {

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#if os(macOS)
public typealias ViewRepresentable = NSViewRepresentable
public typealias NativeView = NSView
#elseif os(iOS)
public typealias ViewRepresentable = UIViewRepresentable
public typealias NativeView = UIView
#endif

public protocol ViewRepresentableHelper: ViewRepresentable {
    associatedtype ViewType: NativeView

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@propertyWrapper struct BundleFile<DataType> {
    let name: String
    let type: String
    let fileManager: FileManager = .default
    let bundle: Bundle = .main
    let decoder: (Data) -> DataType

    var wrappedValue: DataType {
        guard let path = bundle.path(forResource: name, ofType: type) else { fatalError("Resource not found") }
        guard let data = fileManager.contents(atPath: path) else { fatalError("File not loaded") }

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@IBDesignable
class MaskableView: <#AnyUIViewSubclass#> {
    var maskImageView = UIImageView()

    @IBInspectable
    var maskImage: UIImage? {
        didSet {
            maskImageView.image = maskImage
            updateView()
        }

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@propertyWrapper
struct Fallible<Value: Decodable>: Decodable {
    var wrappedValue: [Value] = []

    private struct _None: Decodable {}

    init(from decoder: Decoder) throws {
        var container = try decoder.unkeyedContainer()
        while !container.isAtEnd {
            if let decoded = try? container.decode(Value.self) {