From 82385460a0058546ca0d251809a0d766c3faf10b Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveTH@foxmail.com>
Date: Thu, 27 Apr 2023 20:58:14 +0800
Subject: [PATCH] ...

---
 src/pocketpy.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/pocketpy.h b/src/pocketpy.h
index 593de044..2501c396 100644
--- a/src/pocketpy.h
+++ b/src/pocketpy.h
@@ -704,6 +704,12 @@ inline void init_builtins(VM* _vm) {
         ss << "})";
         return VAR(ss.str());
     });
+
+    _vm->bind_method<1>("mappingproxy", "__contains__", [](VM* vm, ArgsView args) {
+        MappingProxy& self = CAST(MappingProxy&, args[0]);
+        StrName key = CAST(Str&, args[1]);
+        return VAR(self.attr().contains(key));
+    });
 }
 
 #ifdef _WIN32