inso-

/*
 * open_rootkit.c - Thomas Moussajee
 * C Unix Rootkit open
 * Make a file forbiden for everyone include root with permission
 * HOW TO COMPILE : create a Makefile, make
 * exemple of Makeflle :
 +  KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 +  PWD := $(shell pwd)
 +  NAME = rootkit.ko
 +  all:    $(NAME)

inso-

@propertyWrapper
struct WeakReference<T> {
    private weak var storage: AnyObject? = nil
    private var value: T?{
        get { return storage.map { $0 as! T } }
        set {
            storage = newValue.map {
                let asObject = $0 as AnyObject
                assert(asObject === $0 as AnyObject)
                return asObject

inso-

@propertyWrapper
public struct Weak<Wrapped: AnyObject> {
    private weak var value: AnyObject?

    public init(_ value: Wrapped? = nil) {
        self.value = value
    }

    public var wrappedValue: Wrapped? {
        get { value as? Wrapped }

inso-

@propertyWrapper
public struct Weak<Wrapped: AnyObject> {
    private weak var value: AnyObject?

    public init(_ value: Wrapped? = nil) {
        self.value = value
    }

    public var wrappedValue: Wrapped? {
        get { value as? Wrapped }

inso-

extension Weak: Hashable {
    public static func == (lhs: Weak<Wrapped>, rhs: Weak<Wrapped>) -> Bool {
        lhs.hashValue == rhs.hashValue
    }

    public func hash(into hasher: inout Hasher) {
        hasher.combine(unsafeBitCast(value, to: Int.self))
    }
}

inso-

private struct PropertyData {
    static private let accessQueue = DispatchQueue(label: "SynchronizedPropertyDataAccess", attributes: .concurrent)
    static private var property = [Weak<AnyObject>: [Any]]()

    static func memoryClean() {
        Self.accessQueue.async(flags: .barrier) {
            property = property.filter({$0.key.wrappedValue != nil})
        }
    }

inso-

@propertyWrapper
public class Property<T: Any> {

    public var wrappedValue: T? {
        get { PropertyData.get(key) ?? nil }
        set { PropertyData.set(key, value: newValue as Any) }
    }

    let key: Weak<AnyObject>

inso-

import UIKit

public enum Style {
    case dark
    case light
    case `default`
}

protocol Coolable {
    var isCool: Bool { get set }