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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
import Foundation
// Encapsulate a callback in a way that we can use it with NSTimer.
final class Callback {
private let handler: () -> Void
init(handler: @escaping () -> Void) {
self.handler = handler
}
@objc
func go() {
handler()
}
}