Reflection Generic Properties

Reflection.swift

import UIKit

protocol Reflectable {
  func properties<T>() -> [T]
}

extension Reflectable {
  func properties<T>() -> [T] {
    var s = [T]()
    Mirror(reflecting: self).children.forEach { property in
      if let value = property.value as? T {
        s.append(value)
      }
    }
    return s
  }
}

//Example
class Upcoming: Reflectable {
  
  let driverLabel = UILabel()
  let passengerLabel = UILabel()
  let estimationLabel = UILabel()
  
  let driverText = UITextField()
  let passengerText = UITextField()
  let estimationText = UITextField()
  
  func setup() {
    
    let labels: [UILabel] = properties()
    labels.forEach { $0.text = "1234" }
    
    let textFields: [UITextField] = properties()
    textFields.forEach { $0.text = "5678" }
    
    print(driverLabel.text ?? "") // 1234
    print(passengerLabel.text ?? "") // 1234
    print(estimationLabel.text ?? "") // 1234
    
    print(driverText.text ?? "") // 5678
    print(passengerText.text ?? "") // 5678
    print(estimationText.text ?? "") // 5678
  }
}