Type casting in for-in loop

Question

I have this for-in loop:

for button in view.subviews {
}

Now I want button to be cast into a custom class so I can use its properties.

Answer 1

This option is more secure:

for case let button as AClass in view.subviews {
}

or swifty way:

view.subviews
  .compactMap { $0 as AClass }
  .forEach { .... }