Foundation/NSNumber.swift - third_party/swift-corelibs-foundation - Git at Google

 // This source file is part of the Swift.org open source project
 //
 // Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
 // Licensed under Apache License v2.0 with Runtime Library Exception
 //
 // See http://swift.org/LICENSE.txt for license information
 // See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //


 import CoreFoundation

 #if os(OSX) || os(iOS)
 internal let kCFNumberSInt8Type = CFNumberType.sInt8Type
 internal let kCFNumberSInt16Type = CFNumberType.sInt16Type
 internal let kCFNumberSInt32Type = CFNumberType.sInt32Type
 internal let kCFNumberSInt64Type = CFNumberType.sInt64Type
 internal let kCFNumberFloat32Type = CFNumberType.float32Type
 internal let kCFNumberFloat64Type = CFNumberType.float64Type
 internal let kCFNumberCharType = CFNumberType.charType
 internal let kCFNumberShortType = CFNumberType.shortType
 internal let kCFNumberIntType = CFNumberType.intType
 internal let kCFNumberLongType = CFNumberType.longType
 internal let kCFNumberLongLongType = CFNumberType.longLongType
 internal let kCFNumberFloatType = CFNumberType.floatType
 internal let kCFNumberDoubleType = CFNumberType.doubleType
 internal let kCFNumberCFIndexType = CFNumberType.cfIndexType
 internal let kCFNumberNSIntegerType = CFNumberType.nsIntegerType
 internal let kCFNumberCGFloatType = CFNumberType.cgFloatType
 #endif

 extension Int : _ObjectTypeBridgeable {
     public init(_ number: NSNumber) {
         self = number.integerValue
     }

     public func _bridgeToObject() -> NSNumber {
         return NSNumber(integer: self)
     }

     public static func _forceBridgeFromObject(x: NSNumber, result: inout Int?) {
         result = x.integerValue
     }

     public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Int?) -> Bool {
         self._forceBridgeFromObject(x, result: &result)
         return true
     }
 }

 extension UInt : _ObjectTypeBridgeable {
     public init(_ number: NSNumber) {
         self = number.unsignedIntegerValue
     }

     public func _bridgeToObject() -> NSNumber {
         return NSNumber(unsignedInteger: self)
     }

     public static func _forceBridgeFromObject(x: NSNumber, result: inout UInt?) {
         result = x.unsignedIntegerValue
     }
     public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout UInt?) -> Bool {
         _forceBridgeFromObject(x, result: &result)
         return true
     }
 }

 extension Float : _ObjectTypeBridgeable {
     public init(_ number: NSNumber) {
         self = number.floatValue
     }

     public func _bridgeToObject() -> NSNumber {
         return NSNumber(float: self)
     }

     public static func _forceBridgeFromObject(x: NSNumber, result: inout Float?) {
         result = x.floatValue
     }

     public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Float?) -> Bool {
         _forceBridgeFromObject(x, result: &result)
         return true
     }
 }

 extension Double : _ObjectTypeBridgeable {
     public init(_ number: NSNumber) {
         self = number.doubleValue
     }

     public func _bridgeToObject() -> NSNumber {
         return NSNumber(double: self)
     }

     public static func _forceBridgeFromObject(x: NSNumber, result: inout Double?) {
         result = x.doubleValue
     }

     public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Double?) -> Bool {
         _forceBridgeFromObject(x, result: &result)
         return true
     }
 }

 extension Bool : _ObjectTypeBridgeable {
     public init(_ number: NSNumber) {
         self = number.boolValue
     }

     public func _bridgeToObject() -> NSNumber {
         return NSNumber(bool: self)
     }

     public static func _forceBridgeFromObject(x: NSNumber, result: inout Bool?) {
         result = x.boolValue
     }

     public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Bool?) -> Bool {
         _forceBridgeFromObject(x, result: &result)
         return true
     }
 }

 extension Bool : _CFBridgable {
     typealias CFType = CFBoolean
     var _cfObject: CFType {
         return self ? kCFBooleanTrue : kCFBooleanFalse
     }
 }

 extension NSNumber : FloatLiteralConvertible, IntegerLiteralConvertible, BooleanLiteralConvertible {

 }

 public class NSNumber : NSValue {
     typealias CFType = CFNumber
     // This layout MUST be the same as CFNumber so that they are bridgeable
     private var _base = _CFInfo(typeID: CFNumberGetTypeID())
     private var _pad: UInt64 = 0

     internal var _cfObject: CFType {
         return unsafeBitCast(self, to: CFType.self)
     }

     public override var hash: Int {
         return Int(bitPattern: CFHash(_cfObject))
     }

     public override func isEqual(object: AnyObject?) -> Bool {
         if let number = object as? NSNumber {
             return CFEqual(_cfObject, number._cfObject)
         } else {
             return false
         }
     }

     deinit {
         _CFDeinit(self)
     }

     public init(char value: Int8) {
         super.init()
         _CFNumberInitInt8(_cfObject, value)
     }

     public init(unsignedChar value: UInt8) {
         super.init()
         _CFNumberInitUInt8(_cfObject, value)
     }

     public init(short value: Int16) {
         super.init()
         _CFNumberInitInt16(_cfObject, value)
     }

     public init(unsignedShort value: UInt16) {
         super.init()
         _CFNumberInitUInt16(_cfObject, value)
     }

     public init(int value: Int32) {
         super.init()
         _CFNumberInitInt32(_cfObject, value)
     }

     public init(unsignedInt value: UInt32) {
         super.init()
         _CFNumberInitUInt32(_cfObject, value)
     }

     public init(long value: Int) {
         super.init()
         _CFNumberInitInt(_cfObject, value)
     }

     public init(unsignedLong value: UInt) {
         super.init()
         _CFNumberInitUInt(_cfObject, value)
     }

     public init(longLong value: Int64) {
         super.init()
         _CFNumberInitInt64(_cfObject, value)
     }

     public init(unsignedLongLong value: UInt64) {
         super.init()
         _CFNumberInitUInt64(_cfObject, value)
     }

     public init(float value: Float) {
         super.init()
         _CFNumberInitFloat(_cfObject, value)
     }

     public init(double value: Double) {
         super.init()
         _CFNumberInitDouble(_cfObject, value)
     }

     public init(bool value: Bool) {
         super.init()
         _CFNumberInitBool(_cfObject, value)
     }

     public init(integer value: Int) {
         super.init()
         _CFNumberInitInt(_cfObject, value)
     }

     public init(unsignedInteger value: UInt) {
         super.init()
         _CFNumberInitUInt(_cfObject, value)
     }

     public required convenience init(bytes buffer: UnsafePointer<Void>, objCType: UnsafePointer<Int8>) {
         guard let type = _NSSimpleObjCType(UInt8(objCType.pointee)) else {
             fatalError("NSNumber.init: unsupported type encoding spec '\(String(cString: objCType))'")
         }
         switch type {
         case .Bool:
             self.init(bool:UnsafePointer<Bool>(buffer).pointee)
             break
         case .Char:
             self.init(char:UnsafePointer<Int8>(buffer).pointee)
             break
         case .UChar:
             self.init(unsignedChar:UnsafePointer<UInt8>(buffer).pointee)
             break
         case .Short:
             self.init(short:UnsafePointer<Int16>(buffer).pointee)
             break
         case .UShort:
             self.init(unsignedShort:UnsafePointer<UInt16>(buffer).pointee)
             break
         case .Int, .Long:
             self.init(int:UnsafePointer<Int32>(buffer).pointee)
             break
         case .UInt, .ULong:
             self.init(unsignedInt:UnsafePointer<UInt32>(buffer).pointee)
             break
         case .LongLong:
             self.init(longLong:UnsafePointer<Int64>(buffer).pointee)
             break
         case .ULongLong:
             self.init(unsignedLongLong:UnsafePointer<UInt64>(buffer).pointee)
             break
         case .Float:
             self.init(float:UnsafePointer<Float>(buffer).pointee)
             break
         case .Double:
             self.init(double:UnsafePointer<Double>(buffer).pointee)
             break
         default:
             fatalError("NSNumber.init: unsupported type encoding spec '\(String(cString: objCType))'")
             break
         }
     }

     public required convenience init?(coder aDecoder: NSCoder) {
         if !aDecoder.allowsKeyedCoding {
             var objCType: UnsafeMutablePointer<Int8> = nil
             var size: Int = 0
             NSGetSizeAndAlignment(objCType, &size, nil)
             let buffer = malloc(size)
             aDecoder.decodeValueOfObjCType(objCType, at: buffer)
             withUnsafeMutablePointer(&objCType, { (ptr: UnsafeMutablePointer<UnsafeMutablePointer<Int8>>) -> Void in
                 aDecoder.decodeValueOfObjCType(String(_NSSimpleObjCType.CharPtr), at: UnsafeMutablePointer<Void>(ptr))
             })
             if objCType == nil {
                 return nil
             }
             self.init(bytes: buffer, objCType: objCType)
             free(buffer)
         } else if aDecoder.dynamicType == NSKeyedUnarchiver.self || aDecoder.containsValueForKey("NS.number") {
             let number = aDecoder._decodePropertyListForKey("NS.number")
             if let val = number as? Double {
                 self.init(double:val)
             } else if let val = number as? Int {
                 self.init(long:val)
             } else if let val = number as? Bool {
                 self.init(bool:val)
             } else {
                 return nil
             }
         } else {
             if aDecoder.containsValueForKey("NS.boolval") {
                 self.init(bool: aDecoder.decodeBoolForKey("NS.boolval"))
             } else if aDecoder.containsValueForKey("NS.intval") {
                 self.init(longLong: aDecoder.decodeInt64ForKey("NS.intval"))
             } else if aDecoder.containsValueForKey("NS.dblval") {
                 self.init(double: aDecoder.decodeDoubleForKey("NS.dblval"))
             } else {
                 return nil
             }
         }
     }

     public var charValue: Int8 {
         var val: Int8 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int8>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberCharType, value)
         }
         return val
     }

     public var unsignedCharValue: UInt8 {
         var val: UInt8 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt8>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberCharType, value)
         }
         return val
     }

     public var shortValue: Int16 {
         var val: Int16 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int16>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberShortType, value)
         }
         return val
     }

     public var unsignedShortValue: UInt16 {
         var val: UInt16 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt16>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberShortType, value)
         }
         return val
     }

     public var intValue: Int32 {
         var val: Int32 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int32>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberIntType, value)
         }
         return val
     }

     public var unsignedIntValue: UInt32 {
         var val: UInt32 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt32>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberIntType, value)
         }
         return val
     }

     public var longValue: Int {
         var val: Int = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberLongType, value)
         }
         return val
     }

     public var unsignedLongValue: UInt {
         var val: UInt = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberLongType, value)
         }
         return val
     }

     public var longLongValue: Int64 {
         var val: Int64 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int64>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberLongLongType, value)
         }
         return val
     }

     public var unsignedLongLongValue: UInt64 {
         var val: UInt64 = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt64>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberLongLongType, value)
         }
         return val
     }

     public var floatValue: Float {
         var val: Float = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Float>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberFloatType, value)
         }
         return val
     }

     public var doubleValue: Double {
         var val: Double = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Double>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberDoubleType, value)
         }
         return val
     }

     public var boolValue: Bool {
         return longLongValue != 0
     }

     public var integerValue: Int {
         var val: Int = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberLongType, value)
         }
         return val
     }

     public var unsignedIntegerValue: UInt {
         var val: UInt = 0
         withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt>) -> Void in
             CFNumberGetValue(_cfObject, kCFNumberLongType, value)
         }
         return val
     }

     public var stringValue: String {
         return descriptionWithLocale(nil)
     }

     /// Create an instance initialized to `value`.
     public required convenience init(integerLiteral value: Int) {
         self.init(integer: value)
     }

     /// Create an instance initialized to `value`.
     public required convenience init(floatLiteral value: Double) {
         self.init(double: value)
     }

     /// Create an instance initialized to `value`.
     public required convenience init(booleanLiteral value: Bool) {
         self.init(bool: value)
     }

     public func compare(otherNumber: NSNumber) -> NSComparisonResult {
         return ._fromCF(CFNumberCompare(_cfObject, otherNumber._cfObject, nil))
     }

     public func descriptionWithLocale(locale: AnyObject?) -> String {
         guard let aLocale = locale else { return description }
         let formatter = CFNumberFormatterCreate(nil, (aLocale as! NSLocale)._cfObject, kCFNumberFormatterDecimalStyle)
         return CFNumberFormatterCreateStringWithNumber(nil, formatter, self._cfObject)._swiftObject
     }

     override public var _cfTypeID: CFTypeID {
         return CFNumberGetTypeID()
     }

     public override var description: String {
         let locale = CFLocaleCopyCurrent()
         let formatter = CFNumberFormatterCreate(nil, locale, kCFNumberFormatterDecimalStyle)
         CFNumberFormatterSetProperty(formatter, kCFNumberFormatterMaxFractionDigits, 15._bridgeToObject())
         return CFNumberFormatterCreateStringWithNumber(nil, formatter, self._cfObject)._swiftObject
     }
 }

 extension CFNumber : _NSBridgable {
     typealias NSType = NSNumber
     internal var _nsObject: NSType { return unsafeBitCast(self, to: NSType.self) }
 }

 extension NSNumber : CustomPlaygroundQuickLookable {
     public var customPlaygroundQuickLook: PlaygroundQuickLook {
         let type = CFNumberGetType(_cfObject)
         switch type {
         case kCFNumberCharType:
             fallthrough
         case kCFNumberSInt16Type:
             fallthrough
         case kCFNumberSInt32Type:
             fallthrough
         case kCFNumberSInt64Type:
             fallthrough
         case kCFNumberCharType:
             fallthrough
         case kCFNumberShortType:
             fallthrough
         case kCFNumberIntType:
             fallthrough
         case kCFNumberLongType:
             fallthrough
         case kCFNumberCFIndexType:
             fallthrough
         case kCFNumberNSIntegerType:
             fallthrough
         case kCFNumberLongLongType:
             return .int(self.longLongValue)
         case kCFNumberFloat32Type:
             fallthrough
         case kCFNumberFloatType:
             return .float(self.floatValue)
         case kCFNumberFloat64Type:
             fallthrough
         case kCFNumberDoubleType:
             return .double(self.doubleValue)
         case kCFNumberCGFloatType:
             if sizeof(CGFloat) == sizeof(Float32) {
                 return .float(self.floatValue)
             } else {
                 return .double(self.doubleValue)
             }
         default:
             return .text("invalid NSNumber")
         }
     }
 }
	// This source file is part of the Swift.org open source project
	//
	// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
	// Licensed under Apache License v2.0 with Runtime Library Exception
	//
	// See http://swift.org/LICENSE.txt for license information
	// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
	//


	import CoreFoundation

	#if os(OSX) \|\| os(iOS)
	internal let kCFNumberSInt8Type = CFNumberType.sInt8Type
	internal let kCFNumberSInt16Type = CFNumberType.sInt16Type
	internal let kCFNumberSInt32Type = CFNumberType.sInt32Type
	internal let kCFNumberSInt64Type = CFNumberType.sInt64Type
	internal let kCFNumberFloat32Type = CFNumberType.float32Type
	internal let kCFNumberFloat64Type = CFNumberType.float64Type
	internal let kCFNumberCharType = CFNumberType.charType
	internal let kCFNumberShortType = CFNumberType.shortType
	internal let kCFNumberIntType = CFNumberType.intType
	internal let kCFNumberLongType = CFNumberType.longType
	internal let kCFNumberLongLongType = CFNumberType.longLongType
	internal let kCFNumberFloatType = CFNumberType.floatType
	internal let kCFNumberDoubleType = CFNumberType.doubleType
	internal let kCFNumberCFIndexType = CFNumberType.cfIndexType
	internal let kCFNumberNSIntegerType = CFNumberType.nsIntegerType
	internal let kCFNumberCGFloatType = CFNumberType.cgFloatType
	#endif

	extension Int : _ObjectTypeBridgeable {
	public init(_ number: NSNumber) {
	self = number.integerValue
	}

	public func _bridgeToObject() -> NSNumber {
	return NSNumber(integer: self)
	}

	public static func _forceBridgeFromObject(x: NSNumber, result: inout Int?) {
	result = x.integerValue
	}

	public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Int?) -> Bool {
	self._forceBridgeFromObject(x, result: &result)
	return true
	}
	}

	extension UInt : _ObjectTypeBridgeable {
	public init(_ number: NSNumber) {
	self = number.unsignedIntegerValue
	}

	public func _bridgeToObject() -> NSNumber {
	return NSNumber(unsignedInteger: self)
	}

	public static func _forceBridgeFromObject(x: NSNumber, result: inout UInt?) {
	result = x.unsignedIntegerValue
	}
	public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout UInt?) -> Bool {
	_forceBridgeFromObject(x, result: &result)
	return true
	}
	}

	extension Float : _ObjectTypeBridgeable {
	public init(_ number: NSNumber) {
	self = number.floatValue
	}

	public func _bridgeToObject() -> NSNumber {
	return NSNumber(float: self)
	}

	public static func _forceBridgeFromObject(x: NSNumber, result: inout Float?) {
	result = x.floatValue
	}

	public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Float?) -> Bool {
	_forceBridgeFromObject(x, result: &result)
	return true
	}
	}

	extension Double : _ObjectTypeBridgeable {
	public init(_ number: NSNumber) {
	self = number.doubleValue
	}

	public func _bridgeToObject() -> NSNumber {
	return NSNumber(double: self)
	}

	public static func _forceBridgeFromObject(x: NSNumber, result: inout Double?) {
	result = x.doubleValue
	}

	public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Double?) -> Bool {
	_forceBridgeFromObject(x, result: &result)
	return true
	}
	}

	extension Bool : _ObjectTypeBridgeable {
	public init(_ number: NSNumber) {
	self = number.boolValue
	}

	public func _bridgeToObject() -> NSNumber {
	return NSNumber(bool: self)
	}

	public static func _forceBridgeFromObject(x: NSNumber, result: inout Bool?) {
	result = x.boolValue
	}

	public static func _conditionallyBridgeFromObject(x: NSNumber, result: inout Bool?) -> Bool {
	_forceBridgeFromObject(x, result: &result)
	return true
	}
	}

	extension Bool : _CFBridgable {
	typealias CFType = CFBoolean
	var _cfObject: CFType {
	return self ? kCFBooleanTrue : kCFBooleanFalse
	}
	}

	extension NSNumber : FloatLiteralConvertible, IntegerLiteralConvertible, BooleanLiteralConvertible {

	}

	public class NSNumber : NSValue {
	typealias CFType = CFNumber
	// This layout MUST be the same as CFNumber so that they are bridgeable
	private var _base = _CFInfo(typeID: CFNumberGetTypeID())
	private var _pad: UInt64 = 0

	internal var _cfObject: CFType {
	return unsafeBitCast(self, to: CFType.self)
	}

	public override var hash: Int {
	return Int(bitPattern: CFHash(_cfObject))
	}

	public override func isEqual(object: AnyObject?) -> Bool {
	if let number = object as? NSNumber {
	return CFEqual(_cfObject, number._cfObject)
	} else {
	return false
	}
	}

	deinit {
	_CFDeinit(self)
	}

	public init(char value: Int8) {
	super.init()
	_CFNumberInitInt8(_cfObject, value)
	}

	public init(unsignedChar value: UInt8) {
	super.init()
	_CFNumberInitUInt8(_cfObject, value)
	}

	public init(short value: Int16) {
	super.init()
	_CFNumberInitInt16(_cfObject, value)
	}

	public init(unsignedShort value: UInt16) {
	super.init()
	_CFNumberInitUInt16(_cfObject, value)
	}

	public init(int value: Int32) {
	super.init()
	_CFNumberInitInt32(_cfObject, value)
	}

	public init(unsignedInt value: UInt32) {
	super.init()
	_CFNumberInitUInt32(_cfObject, value)
	}

	public init(long value: Int) {
	super.init()
	_CFNumberInitInt(_cfObject, value)
	}

	public init(unsignedLong value: UInt) {
	super.init()
	_CFNumberInitUInt(_cfObject, value)
	}

	public init(longLong value: Int64) {
	super.init()
	_CFNumberInitInt64(_cfObject, value)
	}

	public init(unsignedLongLong value: UInt64) {
	super.init()
	_CFNumberInitUInt64(_cfObject, value)
	}

	public init(float value: Float) {
	super.init()
	_CFNumberInitFloat(_cfObject, value)
	}

	public init(double value: Double) {
	super.init()
	_CFNumberInitDouble(_cfObject, value)
	}

	public init(bool value: Bool) {
	super.init()
	_CFNumberInitBool(_cfObject, value)
	}

	public init(integer value: Int) {
	super.init()
	_CFNumberInitInt(_cfObject, value)
	}

	public init(unsignedInteger value: UInt) {
	super.init()
	_CFNumberInitUInt(_cfObject, value)
	}

	public required convenience init(bytes buffer: UnsafePointer<Void>, objCType: UnsafePointer<Int8>) {
	guard let type = _NSSimpleObjCType(UInt8(objCType.pointee)) else {
	fatalError("NSNumber.init: unsupported type encoding spec '\(String(cString: objCType))'")
	}
	switch type {
	case .Bool:
	self.init(bool:UnsafePointer<Bool>(buffer).pointee)
	break
	case .Char:
	self.init(char:UnsafePointer<Int8>(buffer).pointee)
	break
	case .UChar:
	self.init(unsignedChar:UnsafePointer<UInt8>(buffer).pointee)
	break
	case .Short:
	self.init(short:UnsafePointer<Int16>(buffer).pointee)
	break
	case .UShort:
	self.init(unsignedShort:UnsafePointer<UInt16>(buffer).pointee)
	break
	case .Int, .Long:
	self.init(int:UnsafePointer<Int32>(buffer).pointee)
	break
	case .UInt, .ULong:
	self.init(unsignedInt:UnsafePointer<UInt32>(buffer).pointee)
	break
	case .LongLong:
	self.init(longLong:UnsafePointer<Int64>(buffer).pointee)
	break
	case .ULongLong:
	self.init(unsignedLongLong:UnsafePointer<UInt64>(buffer).pointee)
	break
	case .Float:
	self.init(float:UnsafePointer<Float>(buffer).pointee)
	break
	case .Double:
	self.init(double:UnsafePointer<Double>(buffer).pointee)
	break
	default:
	fatalError("NSNumber.init: unsupported type encoding spec '\(String(cString: objCType))'")
	break
	}
	}

	public required convenience init?(coder aDecoder: NSCoder) {
	if !aDecoder.allowsKeyedCoding {
	var objCType: UnsafeMutablePointer<Int8> = nil
	var size: Int = 0
	NSGetSizeAndAlignment(objCType, &size, nil)
	let buffer = malloc(size)
	aDecoder.decodeValueOfObjCType(objCType, at: buffer)
	withUnsafeMutablePointer(&objCType, { (ptr: UnsafeMutablePointer<UnsafeMutablePointer<Int8>>) -> Void in
	aDecoder.decodeValueOfObjCType(String(_NSSimpleObjCType.CharPtr), at: UnsafeMutablePointer<Void>(ptr))
	})
	if objCType == nil {
	return nil
	}
	self.init(bytes: buffer, objCType: objCType)
	free(buffer)
	} else if aDecoder.dynamicType == NSKeyedUnarchiver.self \|\| aDecoder.containsValueForKey("NS.number") {
	let number = aDecoder._decodePropertyListForKey("NS.number")
	if let val = number as? Double {
	self.init(double:val)
	} else if let val = number as? Int {
	self.init(long:val)
	} else if let val = number as? Bool {
	self.init(bool:val)
	} else {
	return nil
	}
	} else {
	if aDecoder.containsValueForKey("NS.boolval") {
	self.init(bool: aDecoder.decodeBoolForKey("NS.boolval"))
	} else if aDecoder.containsValueForKey("NS.intval") {
	self.init(longLong: aDecoder.decodeInt64ForKey("NS.intval"))
	} else if aDecoder.containsValueForKey("NS.dblval") {
	self.init(double: aDecoder.decodeDoubleForKey("NS.dblval"))
	} else {
	return nil
	}
	}
	}

	public var charValue: Int8 {
	var val: Int8 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int8>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberCharType, value)
	}
	return val
	}

	public var unsignedCharValue: UInt8 {
	var val: UInt8 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt8>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberCharType, value)
	}
	return val
	}

	public var shortValue: Int16 {
	var val: Int16 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int16>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberShortType, value)
	}
	return val
	}

	public var unsignedShortValue: UInt16 {
	var val: UInt16 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt16>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberShortType, value)
	}
	return val
	}

	public var intValue: Int32 {
	var val: Int32 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int32>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberIntType, value)
	}
	return val
	}

	public var unsignedIntValue: UInt32 {
	var val: UInt32 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt32>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberIntType, value)
	}
	return val
	}

	public var longValue: Int {
	var val: Int = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberLongType, value)
	}
	return val
	}

	public var unsignedLongValue: UInt {
	var val: UInt = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberLongType, value)
	}
	return val
	}

	public var longLongValue: Int64 {
	var val: Int64 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int64>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberLongLongType, value)
	}
	return val
	}

	public var unsignedLongLongValue: UInt64 {
	var val: UInt64 = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt64>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberLongLongType, value)
	}
	return val
	}

	public var floatValue: Float {
	var val: Float = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Float>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberFloatType, value)
	}
	return val
	}

	public var doubleValue: Double {
	var val: Double = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Double>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberDoubleType, value)
	}
	return val
	}

	public var boolValue: Bool {
	return longLongValue != 0
	}

	public var integerValue: Int {
	var val: Int = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<Int>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberLongType, value)
	}
	return val
	}

	public var unsignedIntegerValue: UInt {
	var val: UInt = 0
	withUnsafeMutablePointer(&val) { (value: UnsafeMutablePointer<UInt>) -> Void in
	CFNumberGetValue(_cfObject, kCFNumberLongType, value)
	}
	return val
	}

	public var stringValue: String {
	return descriptionWithLocale(nil)
	}

	/// Create an instance initialized to `value`.
	public required convenience init(integerLiteral value: Int) {
	self.init(integer: value)
	}

	/// Create an instance initialized to `value`.
	public required convenience init(floatLiteral value: Double) {
	self.init(double: value)
	}

	/// Create an instance initialized to `value`.
	public required convenience init(booleanLiteral value: Bool) {
	self.init(bool: value)
	}

	public func compare(otherNumber: NSNumber) -> NSComparisonResult {
	return ._fromCF(CFNumberCompare(_cfObject, otherNumber._cfObject, nil))
	}

	public func descriptionWithLocale(locale: AnyObject?) -> String {
	guard let aLocale = locale else { return description }
	let formatter = CFNumberFormatterCreate(nil, (aLocale as! NSLocale)._cfObject, kCFNumberFormatterDecimalStyle)
	return CFNumberFormatterCreateStringWithNumber(nil, formatter, self._cfObject)._swiftObject
	}

	override public var _cfTypeID: CFTypeID {
	return CFNumberGetTypeID()
	}

	public override var description: String {
	let locale = CFLocaleCopyCurrent()
	let formatter = CFNumberFormatterCreate(nil, locale, kCFNumberFormatterDecimalStyle)
	CFNumberFormatterSetProperty(formatter, kCFNumberFormatterMaxFractionDigits, 15._bridgeToObject())
	return CFNumberFormatterCreateStringWithNumber(nil, formatter, self._cfObject)._swiftObject
	}
	}

	extension CFNumber : _NSBridgable {
	typealias NSType = NSNumber
	internal var _nsObject: NSType { return unsafeBitCast(self, to: NSType.self) }
	}

	extension NSNumber : CustomPlaygroundQuickLookable {
	public var customPlaygroundQuickLook: PlaygroundQuickLook {
	let type = CFNumberGetType(_cfObject)
	switch type {
	case kCFNumberCharType:
	fallthrough
	case kCFNumberSInt16Type:
	fallthrough
	case kCFNumberSInt32Type:
	fallthrough
	case kCFNumberSInt64Type:
	fallthrough
	case kCFNumberCharType:
	fallthrough
	case kCFNumberShortType:
	fallthrough
	case kCFNumberIntType:
	fallthrough
	case kCFNumberLongType:
	fallthrough
	case kCFNumberCFIndexType:
	fallthrough
	case kCFNumberNSIntegerType:
	fallthrough
	case kCFNumberLongLongType:
	return .int(self.longLongValue)
	case kCFNumberFloat32Type:
	fallthrough
	case kCFNumberFloatType:
	return .float(self.floatValue)
	case kCFNumberFloat64Type:
	fallthrough
	case kCFNumberDoubleType:
	return .double(self.doubleValue)
	case kCFNumberCGFloatType:
	if sizeof(CGFloat) == sizeof(Float32) {
	return .float(self.floatValue)
	} else {
	return .double(self.doubleValue)
	}
	default:
	return .text("invalid NSNumber")
	}
	}
	}