Scala编程语言之匹配对象及样例类_scala 匹配对象-CSDN博客

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文章浏览阅读283次。匹配对象及样例类1.匹配对象1）基本语法class User(val name: String, val age: Int)object User{ def apply(name: String, age: Int): User = new User(name, age) def unapply(user: User): Option[(String, Int)] = { if (user == null) None el_scala 匹配对象

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