UIViewController+RetainCycle.swift

import UIKit

extension UIViewController {
    
    static let classInit: Void = {
        let originalSelector = #selector(viewDidDisappear)
        let swizzledSelector = #selector(swizzled_viewDidDisappear)
        swizzling(UIViewController.self, originalSelector, swizzledSelector)
    }()
    
    @objc func swizzled_viewDidDisappear() {
        swizzled_viewDidDisappear()
        print("swizzled_viewDidDisappear")
        dch_checkDeallocation()
    }
}