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import Dispatch

@_silgen_name("dispatch_sync") private func os_dispatch_sync(queue: dispatch_queue_t, @noescape _ block: dispatch_block_t)
@_silgen_name("dispatch_barrier_sync") private func os_dispatch_barrier_sync(queue: dispatch_queue_t, @noescape _ block: dispatch_block_t)

private func dispatch_sync_rethrow_wrapper<Return>(queue: dispatch_queue_t, @noescape dispatcher: (dispatch_queue_t, dispatch_block_t) -> Void, @noescape body: () throws -> Return, @noescape onError: ErrorType throws -> Void) rethrows -> Return {
    var ret: Return!
    var innerError: ErrorType?

    os_dispatch_sync(queue) {

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// Derived from http://blog.krzyzanowskim.com/2015/10/24/chunksequence-have-cake-and-eat-it/

struct ChunkSequence<Element>: SequenceType {
    typealias Collection = AnyForwardCollection<Element>
    let collection: Collection
    let chunkSize: Collection.Index.Distance
    
    private init<C: CollectionType where C.Index: ForwardIndexType, C.Generator.Element == Element>(_ base: C, chunkSize: C.Index.Distance) {
        self.collection = AnyForwardCollection(base)
        self.chunkSize = chunkSize.toIntMax()

zwaldowski

//
//  DynamicTypeLabel.swift
//
//  Created by Indragie on 10/16/14.
//  Copyright (c) 2014 Indragie Karunaratne. All rights reserved.
//

import UIKit

class DynamicTypeLabel : UILabel {

zwaldowski

//
// Copyright (c) 2012-2013 Cédric Luthi / @0xced. All rights reserved.
//

#if TARGET_IPHONE_SIMULATOR

@interface NSObject ()

- (void)setItem:(int)item enabled:(BOOL)enabled;

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// clang -framework Foundation -fobjc-arc -O3 test.m

#import <Foundation/Foundation.h>

@interface NSNumber (RangeCreation)

- (NSValue *): (NSInteger)length;

@end