From 569d400bafc267ebe2abe7adda9069e5d3ad96c6 Mon Sep 17 00:00:00 2001
From: 0880 <98263509+0880880@users.noreply.github.com>
Date: Sat, 17 Jan 2026 18:12:34 +0330
Subject: [PATCH] __contains__ method for Headers class

---
 slow/slow.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/slow/slow.py b/slow/slow.py
index 6179782..5a53485 100644
--- a/slow/slow.py
+++ b/slow/slow.py
@@ -33,6 +33,9 @@ class Headers:
     def __str__(self):
         return str(self._d)
 
+    def __contains__(self, key):
+        return self._d.__contains__(key)
+
 
 class Request:
     def __init__(self, method: str, path: str, headers: Headers, body: bytes):