From 77ef03d5b136891fec8878bf8c6e7442ce75e903 Mon Sep 17 00:00:00 2001
From: Jeff VanOss <vanossj@users.noreply.github.com>
Date: Tue, 11 Jun 2019 08:25:35 -0400
Subject: [PATCH] compile time check that  properties have no py:arg values
 (#1524)

---
 include/pybind11/pybind11.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/pybind11/pybind11.h b/include/pybind11/pybind11.h
index 76e243a93..ca0b1a709 100644
--- a/include/pybind11/pybind11.h
+++ b/include/pybind11/pybind11.h
@@ -1266,6 +1266,8 @@ public:
     /// Uses cpp_function's return_value_policy by default
     template <typename... Extra>
     class_ &def_property_static(const char *name, const cpp_function &fget, const cpp_function &fset, const Extra& ...extra) {
+        static_assert( 0 == detail::constexpr_sum(std::is_base_of<arg, Extra>::value...),
+                      "Argument annotations are not allowed for properties");
         auto rec_fget = get_function_record(fget), rec_fset = get_function_record(fset);
         auto *rec_active = rec_fget;
         if (rec_fget) {