 
      - Returns: A new, fully constructed FFSPicker
      */
-    public init(withList list: [String], view: UIPickerView = UIPickerView(), callback: (String) -> Void) {
+    public init(withList list: [String], view: UIPickerView = UIPickerView(), callback: ((String) -> Void)? = nil) {
         self.list = list
         self.view = view
 

final private class FFSPickerViewManager: NSObject {
    let count: () -> Int
    let title: (Int) -> String
    let handle: (String) -> Void

    init(counter: @autoclosure(escaping) () -> Int, titler: (Int) -> String, handler: (String) -> Void) {
        self.count = counter
        self.title = titler
        self.handle = handler

//

import UIKit.UIPickerView
import UIKit.UITextField

/**
 A wrapper class for `UIPickerView` that automatically handles
