mirror of
https://github.com/apple/swift.git
synced 2025-12-21 12:14:44 +01:00
664 lines
22 KiB
Swift
664 lines
22 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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@_exported import Foundation // Clang module
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import CoreGraphics
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extension Int8 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.int8Value
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}
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public init(truncating number: NSNumber) {
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self = number.int8Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.int8Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Int8?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Int8?) -> Bool {
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guard let value = Int8(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Int8 {
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var result: Int8?
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guard let src = source else { return Int8(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Int8(0) }
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return result!
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}
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}
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extension UInt8 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.uint8Value
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}
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public init(truncating number: NSNumber) {
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self = number.uint8Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.uint8Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt8?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt8?) -> Bool {
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guard let value = UInt8(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> UInt8 {
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var result: UInt8?
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guard let src = source else { return UInt8(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return UInt8(0) }
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return result!
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}
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}
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extension Int16 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.int16Value
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}
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public init(truncating number: NSNumber) {
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self = number.int16Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.int16Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Int16?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Int16?) -> Bool {
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guard let value = Int16(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Int16 {
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var result: Int16?
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guard let src = source else { return Int16(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Int16(0) }
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return result!
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}
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}
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extension UInt16 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.uint16Value
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}
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public init(truncating number: NSNumber) {
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self = number.uint16Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.uint16Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt16?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt16?) -> Bool {
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guard let value = UInt16(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> UInt16 {
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var result: UInt16?
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guard let src = source else { return UInt16(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return UInt16(0) }
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return result!
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}
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}
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extension Int32 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.int32Value
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}
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public init(truncating number: NSNumber) {
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self = number.int32Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.int32Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Int32?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Int32?) -> Bool {
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guard let value = Int32(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Int32 {
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var result: Int32?
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guard let src = source else { return Int32(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Int32(0) }
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return result!
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}
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}
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extension UInt32 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.uint32Value
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}
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public init(truncating number: NSNumber) {
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self = number.uint32Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.uint32Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt32?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt32?) -> Bool {
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guard let value = UInt32(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> UInt32 {
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var result: UInt32?
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guard let src = source else { return UInt32(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return UInt32(0) }
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return result!
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}
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}
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extension Int64 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.int64Value
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}
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public init(truncating number: NSNumber) {
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self = number.int64Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.int64Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Int64?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Int64?) -> Bool {
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guard let value = Int64(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Int64 {
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var result: Int64?
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guard let src = source else { return Int64(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Int64(0) }
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return result!
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}
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}
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extension UInt64 : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.uint64Value
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}
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public init(truncating number: NSNumber) {
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self = number.uint64Value
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}
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public init?(exactly number: NSNumber) {
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let value = number.uint64Value
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt64?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt64?) -> Bool {
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guard let value = UInt64(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> UInt64 {
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var result: UInt64?
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guard let src = source else { return UInt64(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return UInt64(0) }
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return result!
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}
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}
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extension Int : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.intValue
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}
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public init(truncating number: NSNumber) {
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self = number.intValue
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}
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public init?(exactly number: NSNumber) {
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let value = number.intValue
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Int?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Int?) -> Bool {
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guard let value = Int(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Int {
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var result: Int?
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guard let src = source else { return Int(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Int(0) }
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return result!
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}
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}
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extension UInt : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.uintValue
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}
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public init(truncating number: NSNumber) {
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self = number.uintValue
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}
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public init?(exactly number: NSNumber) {
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let value = number.uintValue
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guard NSNumber(value: value) == number else { return nil }
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self = value
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout UInt?) -> Bool {
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guard let value = UInt(exactly: x) else { return false }
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result = value
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return true
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}
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> UInt {
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var result: UInt?
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guard let src = source else { return UInt(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return UInt(0) }
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return result!
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}
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}
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extension Float : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
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public init(_ number: NSNumber) {
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self = number.floatValue
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}
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public init(truncating number: NSNumber) {
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self = number.floatValue
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}
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public init?(exactly number: NSNumber) {
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guard let value = Double(exactly: number) else { return nil }
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guard let result = Float(exactly: value) else { return nil }
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self = result
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}
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@_semantics("convertToObjectiveC")
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public func _bridgeToObjectiveC() -> NSNumber {
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return NSNumber(value: self)
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}
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Float?) {
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
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}
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|
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Float?) -> Bool {
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guard let value = Float(exactly: x) else { return false }
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result = value
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return true
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}
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|
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Float {
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var result: Float?
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guard let src = source else { return Float(0) }
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guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Float(0) }
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return result!
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}
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}
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|
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extension Double : _ObjectiveCBridgeable {
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@available(swift, deprecated: 4)
|
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public init(_ number: NSNumber) {
|
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self = number.doubleValue
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}
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|
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public init(truncating number: NSNumber) {
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self = number.doubleValue
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}
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|
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public init?(exactly number: NSNumber) {
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let type = number.objCType.pointee
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if type == 0x51 {
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guard let result = Double(exactly: number.uint64Value) else { return nil }
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self = result
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} else if type == 0x71 {
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guard let result = Double(exactly: number.int64Value) else { return nil }
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self = result
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} else {
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self = number.doubleValue
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}
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}
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|
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@_semantics("convertToObjectiveC")
|
|
public func _bridgeToObjectiveC() -> NSNumber {
|
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return NSNumber(value: self)
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}
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|
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public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Double?) {
|
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if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
|
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fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
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}
|
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}
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|
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public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Double?) -> Bool {
|
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guard let value = Double(exactly: x) else { return false }
|
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result = value
|
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return true
|
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}
|
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|
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public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Double {
|
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var result: Double?
|
|
guard let src = source else { return Double(0) }
|
|
guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return Double(0) }
|
|
return result!
|
|
}
|
|
}
|
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|
|
extension Bool : _ObjectiveCBridgeable {
|
|
@available(swift, deprecated: 4)
|
|
public init(_ number: NSNumber) {
|
|
self = number.boolValue
|
|
}
|
|
|
|
public init(truncating number: NSNumber) {
|
|
self = number.boolValue
|
|
}
|
|
|
|
public init?(exactly number: NSNumber) {
|
|
if number === kCFBooleanTrue as NSNumber || NSNumber(value: 1) == number {
|
|
self = true
|
|
} else if number === kCFBooleanFalse as NSNumber || NSNumber(value: 0) == number {
|
|
self = false
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
@_semantics("convertToObjectiveC")
|
|
public func _bridgeToObjectiveC() -> NSNumber {
|
|
return NSNumber(value: self)
|
|
}
|
|
|
|
public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout Bool?) {
|
|
if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
|
|
fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
|
|
}
|
|
}
|
|
|
|
public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout Bool?) -> Bool {
|
|
if x === kCFBooleanTrue as NSNumber || NSNumber(value: 1) == x {
|
|
result = true
|
|
return true
|
|
} else if x === kCFBooleanFalse as NSNumber || NSNumber(value: 0) == x {
|
|
result = false
|
|
return true
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> Bool {
|
|
var result: Bool?
|
|
guard let src = source else { return false }
|
|
guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return false }
|
|
return result!
|
|
}
|
|
}
|
|
|
|
extension CGFloat : _ObjectiveCBridgeable {
|
|
@available(swift, deprecated: 4)
|
|
public init(_ number: NSNumber) {
|
|
native = CGFloat.NativeType(truncating: number)
|
|
}
|
|
|
|
public init(truncating number: NSNumber) {
|
|
native = CGFloat.NativeType(truncating: number)
|
|
}
|
|
|
|
public init?(exactly number: NSNumber) {
|
|
var nativeValue: CGFloat.NativeType? = 0
|
|
guard CGFloat.NativeType._conditionallyBridgeFromObjectiveC(number, result: &nativeValue) else { return nil }
|
|
self.native = nativeValue!
|
|
}
|
|
|
|
@_semantics("convertToObjectiveC")
|
|
public func _bridgeToObjectiveC() -> NSNumber {
|
|
return NSNumber(value: self.native)
|
|
}
|
|
|
|
public static func _forceBridgeFromObjectiveC(_ x: NSNumber, result: inout CGFloat?) {
|
|
if !_conditionallyBridgeFromObjectiveC(x, result: &result) {
|
|
fatalError("Unable to bridge \(_ObjectiveCType.self) to \(self)")
|
|
}
|
|
}
|
|
|
|
public static func _conditionallyBridgeFromObjectiveC(_ x: NSNumber, result: inout CGFloat?) -> Bool {
|
|
var nativeValue: CGFloat.NativeType? = 0
|
|
guard CGFloat.NativeType._conditionallyBridgeFromObjectiveC(x, result: &nativeValue) else { return false }
|
|
result = CGFloat(nativeValue!)
|
|
return true
|
|
}
|
|
|
|
public static func _unconditionallyBridgeFromObjectiveC(_ source: NSNumber?) -> CGFloat {
|
|
var result: CGFloat?
|
|
guard let src = source else { return CGFloat(0) }
|
|
guard _conditionallyBridgeFromObjectiveC(src, result: &result) else { return CGFloat(0) }
|
|
return result!
|
|
}
|
|
}
|
|
|
|
// Literal support for NSNumber
|
|
extension NSNumber : ExpressibleByFloatLiteral, ExpressibleByIntegerLiteral, ExpressibleByBooleanLiteral {
|
|
/// Create an instance initialized to `value`.
|
|
@nonobjc
|
|
public required convenience init(integerLiteral value: Int) {
|
|
self.init(value: value)
|
|
}
|
|
|
|
/// Create an instance initialized to `value`.
|
|
@nonobjc
|
|
public required convenience init(floatLiteral value: Double) {
|
|
self.init(value: value)
|
|
}
|
|
|
|
/// Create an instance initialized to `value`.
|
|
@nonobjc
|
|
public required convenience init(booleanLiteral value: Bool) {
|
|
self.init(value: value)
|
|
}
|
|
}
|
|
|
|
extension NSNumber : _HasCustomAnyHashableRepresentation {
|
|
// Must be @nonobjc to prevent infinite recursion trying to bridge
|
|
// AnyHashable to NSObject.
|
|
@nonobjc
|
|
public func _toCustomAnyHashable() -> AnyHashable? {
|
|
if let nsDecimalNumber: NSDecimalNumber = self as? NSDecimalNumber {
|
|
return AnyHashable(nsDecimalNumber.decimalValue)
|
|
} else if self === kCFBooleanTrue as NSNumber {
|
|
return AnyHashable(true)
|
|
} else if self === kCFBooleanFalse as NSNumber {
|
|
return AnyHashable(false)
|
|
} else if NSNumber(value: int8Value) == self {
|
|
return AnyHashable(int8Value)
|
|
} else if NSNumber(value: uint8Value) == self {
|
|
return AnyHashable(uint8Value)
|
|
} else if NSNumber(value: int16Value) == self {
|
|
return AnyHashable(int16Value)
|
|
} else if NSNumber(value: uint16Value) == self {
|
|
return AnyHashable(uint16Value)
|
|
} else if NSNumber(value: int32Value) == self {
|
|
return AnyHashable(int32Value)
|
|
} else if NSNumber(value: uint32Value) == self {
|
|
return AnyHashable(uint32Value)
|
|
} else if NSNumber(value: int64Value) == self {
|
|
return AnyHashable(int64Value)
|
|
} else if NSNumber(value: floatValue) == self {
|
|
return AnyHashable(floatValue)
|
|
} else if NSNumber(value: doubleValue) == self {
|
|
return AnyHashable(doubleValue)
|
|
} else {
|
|
return nil
|
|
}
|
|
}
|
|
}
|
|
|