case classTopDownStackSafe[T <: TreeNode[T]](partial: PartialFunction[T, T])(implicit evidence$2: ClassTag[T]) extends TreeTransformer[T, T] with SameTypeTransformerStackSafe[T] with Product with Serializable
Applies the given partial function starting from the root of this tree.
Applies the given partial function starting from the root of this tree.
This is a stack-safe version of TopDown.
,Note the applied rule cannot insert new parent nodes.