manmal

import Foundation
import Combine

func runDelayedInBackground<Output, DelayingScheduler: Scheduler, ReceivingScheduler: Scheduler>(
    delay: Int = 200,
    scheduler: DelayingScheduler,
    receiveOn: ReceivingScheduler,
    worker: @escaping () -> Result<Output, Never>,
    completion: @escaping (Output) -> ()
) -> AnyCancellable {

manmal

static UIView *PSPDFViewWithSuffix(UIView *view, NSString *classNameSuffix) {
    if (!view || classNameSuffix.length == 0) return nil;

    UIView *theView = nil;
    for (__unsafe_unretained UIView *subview in view.subviews) {
        if ([NSStringFromClass(subview.class) hasSuffix:classNameSuffix]) {
            return subview;
        }else {
            if ((theView = PSPDFViewWithSuffix(subview, classNameSuffix))) break;
        }