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-rw-r--r--src/main/scala/firrtl/passes/wiring/WiringUtils.scala3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/main/scala/firrtl/passes/wiring/WiringUtils.scala b/src/main/scala/firrtl/passes/wiring/WiringUtils.scala
index e5957e1d..2527ccbe 100644
--- a/src/main/scala/firrtl/passes/wiring/WiringUtils.scala
+++ b/src/main/scala/firrtl/passes/wiring/WiringUtils.scala
@@ -41,6 +41,9 @@ case class Lineage(
|$tab children: ${children.map(c => tab + " " + c._2.shortSerialize(tab + " "))}
|""".stripMargin
+ def foldLeft[B](z: B)(op: (B, (String, Lineage)) => B): B =
+ this.children.foldLeft(z)(op)
+
def serialize(tab: String): String = s"""
|$tab name: $name,
|$tab source: $source,