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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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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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class DirectoryObserver {
    
    deinit {
        
        dispatch_source_cancel(source)
        close(fileDescriptor)
    }
    
    init(URL: NSURL, block: dispatch_block_t) {

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

import Foundation

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/*Assert methods*/
class RangeAsserter{
    static func equals(_ a: IRange, _ b:IRange) -> Bool {
        return a.start == b.start && a.end == b.end
    }
}
/*Parser methods*/
class RangeParser{
    static func length(_ range:IRange) -> Int {

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import Foundation

/*Range*/
let a:Range<Int> = 1..<3
print(type(of:a))//Range<Int>
a.upperBound//3

/*ClosedRange*/
let b:ClosedRange<Int> = 1...3
print(type(of:b))//ClosedRange<Int>

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import Foundation
/**
 * EXAMPLE: Range(start:2,end:6).count//4
 */
extension Range {
    /**
     * EXAMPLE: Range<Int>(0,3).numOfIndecies()//4 -> because [0,1,2,3].count// 4
     * NOTE: only works with Range<Int> for now
     */
    init(_ start:Bound,_ end:Bound){/*Conveninence initializer*/

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import Cocoa
import XCPlayground
import PlaygroundSupport

class TouchView: NSView {
    var (path, currentPath) = (NSBezierPath(), NSBezierPath())
    
    override func draw(_ dirtyRect: NSRect) {
        guard let contextPtr = NSGraphicsContext.current()?.graphicsPort else {return}
        let context = unsafeBitCast(contextPtr, to: CGContext.self)