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stami/UINavigationController+Previous.swift

Created July 13, 2018 06:39
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UINavigationController previousViewController with offset
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UINavigationController+Previous.swift
import UIKit
extension UINavigationController {
func previousViewController(offset: Int = 1) -> UIViewController? {
if viewControllers.count > offset {
return viewControllers[viewControllers.count - 1 - offset]
}
return nil
}
}
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