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| Language | Swift |
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| Owner | w3xue |
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| Modified | |
| Visibility | Public |
class StudRecord {
let studname: String!
init?(studname: String) {
self.studname = studname
if studname.isEmpty { return nil }
}
}
if let stname = StudRecord(studname: "失败构造器") {
print("模块为 \(stname.studname)")
}
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