From 193fdaccd0031881de0cc7034adea33dbb46336a Mon Sep 17 00:00:00 2001
From: Catherine <whitequark@whitequark.org>
Date: Fri, 1 Dec 2023 20:44:46 +0000
Subject: [PATCH] lib.data: mark `Field` as `@final`.

---
 amaranth/lib/data.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/amaranth/lib/data.py b/amaranth/lib/data.py
index 282d98c..697566c 100644
--- a/amaranth/lib/data.py
+++ b/amaranth/lib/data.py
@@ -3,6 +3,7 @@ from enum import Enum
 from collections.abc import Mapping, Sequence
 import warnings
 
+from amaranth._utils import final
 from amaranth.hdl import *
 from amaranth.hdl._repr import *
 from amaranth.hdl.ast import ShapeCastable, ValueCastable
@@ -14,6 +15,7 @@ __all__ = [
 ]
 
 
+@final
 class Field:
     """Description of a data field.