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import Foundation

extension Array {
    mutating func removeFirst(where shouldBeRemoved: (Element) throws -> Bool) rethrows {
        guard let index = try firstIndex(where: shouldBeRemoved) else {
            return;
        }
        
        remove(at: index)
    }

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extension Dictionary where Key == Int64, Value == SKNode {
    func int64key(_ key: (Int32, Int32)) -> Int64 {
        return (Int64(key.0) << 32) | Int64(key.1)
    }
    
    subscript(_ key: (Int32, Int32)) -> SKNode? {
        get {
            return self[int64key(key)]
        }
        set(newValue) {

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/**
    Example for customize your cancel button:

        let controller = UISearchController(searchResultsController: nil)
        controller.searchBar.showsCancelButton = true
        
        if let button = controller.cancelButton() {
            // Customize button
            let iconImage = UIImage(named: "icon")
            button.isEnabled = true