You can write code like below without checking device iPhone or iPad in universal app.
The reason why alertController.popoverPresentationController is nil in case of iPhone. So you may not separate code for popover(anchorView: button).

// it works both iPhone and iPad without checking.
Alertift.actionSheet(message: "Which food do you like?")
   .popover(anchorView: button) // iPhone: ignored internally, iPad: set anchorView to _alertController.popoverPresentationController
   .action(.default("🍣"))
   .action(.default("🍎"))
   .action(.default("🍖"))
   .action(.default("🍅"))
   .action(.cancel("None of them"))
   .finally { action, index in
       if action.style == .cancel {
           return
       }
       Alertift.alert(message: "\(index). \(action.title!)")
           .action(.default("OK"))
           .show()
   }
   .show()

No need if statement

// not good!
if iPhone {
    Alertift.actionSheet(message: "Which food do you like?")
        .action(...)
        .show()
} else {
    Alertift.actionSheet(message: "Which food do you like?")
        .popover(anchorView: button)
        .action(...)
        .show()   
}

👍 👍

Uh oh!

No Issue but Code Further optimization #10

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