chore: rule of 3 for strdup guard (pybind#3905)

NGSolve · Apr 26, 2022 · 75007dd · 75007dd
1 parent 9bc2704
commit 75007dd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/include/pybind11/pybind11.h b/include/pybind11/pybind11.h
@@ -312,6 +312,10 @@ class cpp_function : public function {
     // along the way.
     class strdup_guard {
     public:
+        strdup_guard() = default;
+        strdup_guard(const strdup_guard &) = delete;
+        strdup_guard &operator=(const strdup_guard &) = delete;
+
         ~strdup_guard() {
             for (auto *s : strings) {
                 std::free(s);