Use as
//inside scope use this let myUrl = "http://www.google.com" if let url = URL(string: "\(myUrl)"), !url.absoluteString.isEmpty { UIApplication.shared.open(url, options: [:], completionHandler: nil) } // or outside scope use this guard let url = URL(string: "\(myUrl)"), !url.absoluteString.isEmpty else { return } UIApplication.shared.open(url, options: [:], completionHandler: nil)
For more reference see this sample link .
Anbu.Karthik
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