From 89153dd7bd6c15d75e00c6b7fd0b18f2830a3258 Mon Sep 17 00:00:00 2001
From: Sasha Koshka <sashakoshka@tebibyte.media>
Date: Sat, 21 Jun 2025 19:27:58 -0400
Subject: [PATCH] tape: Add Tag.WithoutCN for easier comparison

---
 tape/tag.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tape/tag.go b/tape/tag.go
index a2a9fd4..4e9db37 100644
--- a/tape/tag.go
+++ b/tape/tag.go
@@ -25,6 +25,10 @@ func (tag Tag) WithCN(cn int) Tag {
 	return (tag & TNMask) | Tag(cn % 32)
 }
 
+func (tag Tag) WithoutCN() Tag {
+	return tag.WithCN(0)
+}
+
 func (tag Tag) Is(other Tag) bool {
 	return tag.TN() == other.TN()
 }