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/*
*
*   This class provides a UIViewController extension which adds a tag property to all UIViewController subclasses.
*
*/

import Foundation

private var tagAssociationKey: UInt8 = 0

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func animateStatusBarHidden(hidden: Bool) {
        let key = NSString(data: NSData(bytes: [0x73, 0x74, 0x61, 0x74, 0x75, 0x73, 0x42, 0x61, 0x72] as [CUnsignedChar], length: 9), encoding: NSASCIIStringEncoding)
        let object = UIApplication.sharedApplication()
        var statusBar: UIView?
        if let mKey = key as? String {
            if object.respondsToSelector(NSSelectorFromString(mKey)) {
                statusBar = object.valueForKey(mKey) as? UIView
            }
        }
        

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extension CALayer {
    
    func borderUIColor() -> UIColor? {
        return borderColor != nil ? UIColor(CGColor: borderColor!) : nil
    }
    
    func setBorderUIColor(color: UIColor) {
        borderColor = color.CGColor
    }
}

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// Initialize a color from hex string with format #RRGGBB
extension UIColor {
    convenience init(hex: String, alpha: CGFloat = 1) {
        assert(hex[hex.startIndex] == "#", "Expected hex string of format #RRGGBB")
        
        let scanner = NSScanner(string: hex)
        scanner.scanLocation = 1  // skip #
        
        var rgb: UInt32 = 0
        scanner.scanHexInt(&rgb)

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let shadowPath = UIBezierPath(rect: self.myView.layer.bounds)
self.myView.layer.masksToBounds = false
self.myView.layer.shadowColor = UIColor.blackColor().CGColor
self.myView.layer.shadowOffset = CGSizeMake(0.0, -2.0)
self.myView.layer.shadowOpacity = 0.3
self.myView.layer.shadowRadius = 1.0
self.myView.layer.shadowPath = shadowPath.CGPath

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import UIKit

/**
 UIView subclass that is transparent to all touch events besides those on eligible child views.
*/

class TKPassThroughView: UIView {
    
    // MARK - Touch Handling
    

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public class MyCustomObject: Equatable {}

// MARK: Equatable

/**
 Evaluate equality as an identity check on an ObjectIdentifier constructed with an instance of our type. This is a public function in the global scope.
*/
public func ==(lhs: MyCustomObject, rhs: MyCustomObject) -> Bool {
    return ObjectIdentifier(lhs) == ObjectIdentifier(rhs)
}

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public someFunction() {
        ({ self.someStringVariable = "Some value" })()
    }

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/**
Function that locks an object while it is being acted upon in the closure parameter. 
Rethrows allows the function to throw an error for throwing closures or not for non-throwing closures (do not need `try` for non-throwing closures). 
parameter lock: Object to be sync'd
parameter closure: Code of critical section
*/
public func synchronized<T>(lock: AnyObject, @noescape closure: () throws -> T) rethrows -> T {
    objc_sync_enter(lock)
    defer {
        objc_sync_exit(lock)

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// Perform selector
self.performSelector(#selector(MyViewController.myFunction(_:)), withObject: myObject, afterDelay: 1.0)

// Cancel perform requests
self.classForCoder.cancelPreviousPerformRequestsWithTarget(self, selector: #selector(MyViewController.myFunction(_:)), object: myObject)

// Note: -
// myObject can be nil