override writeReplace. fix serialize error

https://github.com/scala/scala/blob/v2.13.0-M5/src/library/scala/collection/Iterable.scala#L42-L46
xuwei-k · Aug 30, 2018 · 97bc6b4 · 97bc6b4
1 parent 5f67a6f
commit 97bc6b4
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diff --git a/shared/src/main/scala/scala/xml/MetaData.scala b/shared/src/main/scala/scala/xml/MetaData.scala
@@ -225,4 +225,6 @@ abstract class MetaData
 
   final def remove(namespace: String, owner: Node, key: String): MetaData =
     remove(namespace, owner.scope, key)
+
+  protected[this] override def writeReplace(): AnyRef = this
 }
diff --git a/shared/src/main/scala/scala/xml/NodeSeq.scala b/shared/src/main/scala/scala/xml/NodeSeq.scala
@@ -155,4 +155,6 @@ abstract class NodeSeq extends AbstractSeq[Node] with immutable.Seq[Node] with S
   override def toString(): String = theSeq.mkString
 
   def text: String = (this map (_.text)).mkString
+
+  protected[this] override def writeReplace(): AnyRef = this
 }