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handle error in swift
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| // Step 3 use do try catch | |
| let urlString = "" | |
| do { | |
| let result = try validateUrl(urlString: urlString) | |
| // Step 5 continue the process if it success | |
| print("is url valid? \(result)") | |
| } | |
| catch { | |
| // Step 4 show error to users | |
| print("error \(error)") | |
| } |
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