Scala，如何访问整个匹配：X匹配{case Y（z）as matched =＆gt;

Question

scala中是否有语法或方法来访问case语句中的整个匹配结构？

澄清一下，如果有“as”关键字，可以这样做：

x match {
  case Y(z) as matched =>
    // do stuff both with "matched" and "z" here ...
  ...
}

Answer 1

您应该能够使用@语法：

x match {
  case matched @ Y(z) =>
    // do stuff both with "matched" and "z" here ...
  ...
}

来自here