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[Swift] view controller going back extension
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| // | |
| // UIViewController+back.swift | |
| // | |
| // Created by 홍경표 on 2021/06/01. | |
| // | |
| // TODO: `addTarget` to a button | |
| // backButton.addTarget(nil, action: #selector(back), for: .touchUpInside) | |
| extension UIViewController { | |
| @objc func back() { | |
| if self.presentingViewController != nil { | |
| self.dismiss(animated: true, completion: nil) | |
| } else { | |
| self.navigationController?.popViewController(animated: true) | |
| } | |
| } | |
| } |
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