Scala reflectModule.TreeAccumulator用法及代码示例

package scala.quoted
trait Snippet0 { self: runtime.QuoteUnpickler & scala.quoted.runtime.QuoteMatching &    scala.quoted.Quotes =>
  val QuoteUnpickler = self
  val QuoteMatching = self
  val Quotes = self
  trait Snippet1 { self: Quotes.reflect.type /*Quotes.reflectModule*/ &    Quotes.reflectModule =>
    val reflect = self
    val reflectModule = self
    trait Snippet2[X] { self: reflectModule.TreeAccumulator[X] =>
      val TreeAccumulator = self
      class MyTreeAccumulator[X] extends TreeAccumulator[X] {
        def foldTree(x: X, tree: Tree)(owner: Symbol): X = ???
      }
    }
  }
}