AlexChekel1337

class ShadowCutoutView: UIView {
    var contentView: UIView? {
        didSet {
            oldValue?.removeFromSuperview()

            guard let contentView else {
                return
            }

            contentView.autoresizingMask = [.flexibleWidth, .flexibleHeight]

AlexChekel1337

extension UIViewController {
    /// A property wrapper that loads the view controller’s view before accessing the property.
    /// A backport of `@ViewLoading` property wrapper, available in iOS 16.4.
    /// https://developer.apple.com/documentation/uikit/uiviewcontroller/viewloading
    @propertyWrapper
    struct ViewLoader<Value> {
        static subscript<T: UIViewController>(
            _enclosingInstance instance: T,
            wrapped wrappedKeyPath: ReferenceWritableKeyPath<T, Value>,
            storage storageKeyPath: ReferenceWritableKeyPath<T, Self>

AlexChekel1337

extension UIView {
    struct LabeledEdge: OptionSet {
        let rawValue: Int

        static let leading = Self(rawValue: 1 << 0)
        static let top = Self(rawValue: 1 << 1)
        static let trailing = Self(rawValue: 1 << 2)
        static let bottom = Self(rawValue: 1 << 3)

        static let all: Self = [.leading, .top, .trailing, .bottom]

AlexChekel1337

func XCTAssertSuccess<T, U>(
    _ result: @autoclosure () throws -> Result<T, U>,
    _ message: @autoclosure () -> String = "",
    file: StaticString = #filePath,
    line: UInt = #line
) -> T {
    do {
        let value = try result()

        switch value {

AlexChekel1337

extension Result where Success == Void {
    static var success: Result<Success, Failure> {
        return .success(())
    }
}

// Example usage

func someFunctionThatReturnsResult() -> Result<Void, Error> {
    // Allows to use just `.success` instead of `.success(())`