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//
//  Range+Extensions.swift
//  IntensityAttributingKit
//
//  Created by Evan Mckee on 3/23/16.
//  Copyright © 2016 McKeeMaKer. All rights reserved.
//

import Foundation

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import Foundation

/// Given pointer to first element of a C array, invoke a function for each element
func enumerateCArray<T>(array: UnsafePointer<T>, count: UInt32, f: (UInt32, T) -> ()) {
    var ptr = array
    for i in 0..<count {
        f(i, ptr.memory)
        ptr = ptr.successor()
    }
}

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import AppKit

public extension NSBezierPath {
    
    public convenience init(path: CGPath) {
        self.init()
        
        let pathPtr = UnsafeMutablePointer<NSBezierPath>.alloc(1)
        pathPtr.initialize(self)
        

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let plainString = "foo"

// Encoding

guard let plainData = (plainString as NSString).dataUsingEncoding(NSUTF8StringEncoding) else {
    fatalError()
}

let base64String = plainData.base64EncodedStringWithOptions(NSDataBase64EncodingOptions(rawValue: 0))
print(base64String) // Zm9v

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import UIKit
import Security

class Keychain {
    
    class func save(key: String, data: NSData) -> Bool {
        let query = [
            kSecClass as String       : kSecClassGenericPassword as String,
            kSecAttrAccount as String : key,
            kSecValueData as String   : data ]

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private func createDisplayLink() {
  CVDisplayLinkCreateWithActiveCGDisplays(&displayLink)
  guard let displayLink = displayLink else {
    return
  }
  
  let callback: CVDisplayLinkOutputCallback = { (_, _, _, _, _, userInfo) -> CVReturn in
    let myView = Unmanaged<MyView>.fromOpaque(COpaquePointer(userInfo)).takeUnretainedValue()
    dispatch_async(dispatch_get_main_queue()) {
      myView.update()