From b5ea3c692f5988e2974c897cd21344ca40920e23 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=8E=98=E6=9D=83=20=E9=A9=AC?= <mashenquan@fuzhi.ai>
Date: Mon, 4 Sep 2023 18:07:03 +0800
Subject: [PATCH] feat: +cache

---
 metagpt/memory/brain_memory.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/metagpt/memory/brain_memory.py b/metagpt/memory/brain_memory.py
index 8443d69d9..027297eb8 100644
--- a/metagpt/memory/brain_memory.py
+++ b/metagpt/memory/brain_memory.py
@@ -120,3 +120,9 @@ class BrainMemory(pydantic.BaseModel):
                 return
         self.history.append(msg.dict())
         self.is_dirty = True
+
+    def exists(self, text) -> bool:
+        for m in reversed(self.history):
+            if m.get("content") == text:
+                return True
+        return False