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Swift - Add isEmpty to Optional<String>
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| extension Optional where Wrapped: StringLiteralConvertible { | |
| var isEmpty: Bool { | |
| return true | |
| } | |
| } |
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| let maybeString: String? = "Hello" | |
| // Previously | |
| let isMaybeStringEmpty = maybeString?.isEmpty ?? true | |
| let isMaybeStringEmpty = (maybeString ?? "").isEmpty | |
| // Now | |
| let isMaybeStringEmpty = maybeString?.isEmpty |
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