From 16ea94e06e63e1dc648c3c1fb6136cabc241f3ad Mon Sep 17 00:00:00 2001
From: Zhiyuan Chen <this@zyc.ai>
Date: Fri, 14 Apr 2023 19:06:46 +0800
Subject: [PATCH] support hash

Signed-off-by: Zhiyuan Chen <this@zyc.ai>
---
 chanfig/flat_dict.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/chanfig/flat_dict.py b/chanfig/flat_dict.py
index e877b029..47d70565 100644
--- a/chanfig/flat_dict.py
+++ b/chanfig/flat_dict.py
@@ -1148,6 +1148,9 @@ def _add_indent(self, text: str) -> str:
         text = first + "\n" + text
         return text
 
+    def __hash__(self):
+        return hash(frozenset(self.items()))
+
     def __getstate__(self, *args, **kwargs):
         return self.__dict__