Avoid superfluous initialization in type_caster<wrapper_type>

wjakob · Jul 3, 2023 · 8c75c97 · 8c75c97
1 parent 7cf82f2
commit 8c75c97
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Showing 2 changed files with 4 additions and 0 deletions.
diff --git a/include/nanobind/nb_cast.h b/include/nanobind/nb_cast.h
@@ -247,6 +247,8 @@ struct type_caster<T, enable_if_t<std::is_base_of_v<detail::api_tag, T>>> {
 public:
     NB_TYPE_CASTER(T, T::Name)
 
+    type_caster() : value(nullptr, ::nanobind::detail::steal_t()) { }
+
     bool from_python(handle src, uint8_t, cleanup_list *) noexcept {
         if (!isinstance<T>(src))
             return false;

diff --git a/include/nanobind/nb_types.h b/include/nanobind/nb_types.h
@@ -173,6 +173,8 @@ class handle : public detail::api<handle> {
     handle(handle &&) noexcept = default;
     handle &operator=(const handle &) = default;
     handle &operator=(handle &&) noexcept = default;
+    NB_INLINE handle(std::nullptr_t, detail::steal_t) : m_ptr(nullptr) { }
+    NB_INLINE handle(std::nullptr_t) : m_ptr(nullptr) { }
     NB_INLINE handle(const PyObject *ptr) : m_ptr((PyObject *) ptr) { }
     NB_INLINE handle(const PyTypeObject *ptr) : m_ptr((PyObject *) ptr) { }