asaday

public extension NSObject {
	func removeNotifications() {
		NSObject.cancelPreviousPerformRequests(withTarget: self)
		NotificationCenter.default.removeObserver(self)
	}

	func addNotification(_ aSelector: Selector, key: String) {
		NotificationCenter.default.addObserver(self, selector: aSelector, name: NSNotification.Name(rawValue: key), object: nil)
	}

asaday

public struct Dispatch {

	public static func main(block: @escaping ()->()) {
		return DispatchQueue.main.async(execute: block)
	}

	public static func background(block: @escaping ()->()) {
		return DispatchQueue.global(qos: DispatchQoS.QoSClass.background).async(execute: block)
	}

asaday

public struct Path {
	public static var documents: String { return NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] }
	public static var caches: String { return NSSearchPathForDirectoriesInDomains(.cachesDirectory, .userDomainMask, true)[0] }
	public static var library: String { return NSSearchPathForDirectoriesInDomains(.libraryDirectory, .userDomainMask, true)[0] }
	public static var support: String { return NSSearchPathForDirectoriesInDomains(.applicationSupportDirectory, .userDomainMask, true)[0] }
	public static var temp: String { return NSTemporaryDirectory() }
	public static var resource: String { return Bundle.main.resourcePath ?? "" }

	@discardableResult public static func remove(_ path: String) -> Bool {
		do {

asaday

import Foundation
import CommonCrypto

public typealias DigestHashFunc = @convention(c)(UnsafePointer<Void>, CC_LONG, UnsafeMutablePointer<UInt8>) -> UnsafeMutablePointer<UInt8>

public extension NSData {
	var md4: NSData { return digetstHash(CC_MD4, CC_MD4_DIGEST_LENGTH) }
	var md5: NSData { return digetstHash(CC_MD5, CC_MD5_DIGEST_LENGTH) }
	var sha1: NSData { return digetstHash(CC_SHA1, CC_SHA1_DIGEST_LENGTH) }

asaday

@interface NSFileHandle (fhreadline)
-(NSString*)readLine;
@end

@implementation NSFileHandle (fhreadline)

-(NSString*)readLine
{
  unsigned long long pos = [self offsetInFile];