From 30d968dea5eec9cc6eaf0d79948f5458e0d8c198 Mon Sep 17 00:00:00 2001
From: blueloveTH <blueloveTH@foxmail.com>
Date: Fri, 24 May 2024 23:33:54 +0800
Subject: [PATCH] Update frame.h

---
 include/pocketpy/frame.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/pocketpy/frame.h b/include/pocketpy/frame.h
index 2b08904e..cdf7c1f2 100644
--- a/include/pocketpy/frame.h
+++ b/include/pocketpy/frame.h
@@ -47,8 +47,9 @@ struct ValueStack {
     PyVar& peek(int n){ return _sp[-n]; }
     PyVar peek(int n) const { return _sp[-n]; }
     void push(PyVar v){ *_sp++ = v; }
+    void push(std::nullptr_t) { memset(_sp++, 0, sizeof(PyVar)); }
     void pop(){ --_sp; }
-    PyVar popx(){ return *--_sp; }
+    PyVar popx(){ --_sp; return *_sp; }
     ArgsView view(int n){ return ArgsView(_sp-n, _sp); }
     void shrink(int n){ _sp -= n; }
     int size() const { return _sp - _begin; }