From e73eb5eb4ca92d3c3b0ae93cdd3dc54410752733 Mon Sep 17 00:00:00 2001
From: Wai-Shing Luk <luk036@gmail.com>
Date: Wed, 15 Mar 2023 15:24:08 +0800
Subject: [PATCH] add operator++(int) for transranger

---
 CMakeLists.txt          | 2 +-
 include/py2cpp/dict.hpp | 5 +++++
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4301dbc..034e3e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,7 +10,7 @@ option(INSTALL_ONLY "Enable for installation only" OFF)
 # Note: update this to your new project's name and version
 project(
   Py2Cpp
-  VERSION 1.4
+  VERSION 1.4.1
   LANGUAGES CXX
 )
 
diff --git a/include/py2cpp/dict.hpp b/include/py2cpp/dict.hpp
index 452ac09..e411828 100644
--- a/include/py2cpp/dict.hpp
+++ b/include/py2cpp/dict.hpp
@@ -18,6 +18,11 @@ template <typename Iter> struct key_iterator : Iter {
     Iter::operator++();
     return *this;
   }
+  auto operator++(int) -> key_iterator {
+    auto old = *this;
+    ++*this;
+    return old;
+  }
 };
 
 /**