Revert "revert mark thing"

This reverts commit b8711499.

Revert "revert mark thing"
This reverts commit b8711499.
875727d6 · nanahira · b8711499 · 875727d6
Commit 875727d6 authored May 22, 2022 by nanahira
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Showing with 4 additions and 2 deletions

chain.go chain.go +4 -2

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--- a/chain.go
+++ b/chain.go
@@ -41,8 +41,10 @@ func NewChain(nodes ...Node) *Chain {
 func (c *Chain) newRoute(nodes ...Node) *Chain {
 	route := NewChain(nodes...)
 	route.isRoute = true
-	route.Interface = c.Interface
-	route.Mark = c.Mark
+	if !c.IsEmpty() {
+		route.Interface = c.Interface
+		route.Mark = c.Mark
+	}
 	return route
 }