iOS Swift 3.3 UISearchBar extension

UISearchBar.swift

//
//  UISearchBar.swift
//  R2S
//
//  Created by Vito Cuaderno on 5/7/18.
//  Copyright © 2018 Total Integrated Resources. All rights reserved.
//

import UIKit

extension UISearchBar {
    func textField() -> UITextField? {
        for subView in self.subviews {
            for subViewOne in subView.subviews {
                if let textField = subViewOne as? UITextField {
                    return textField
                }
            }
        }
        
        return nil
    }
}