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fix a common bad usage

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blueloveTH 2024-03-01 16:52:21 +08:00
parent 6bb698a020
commit bbf7304946
1 changed files with 2 additions and 0 deletions
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include/pocketpy/obj.h
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@ -171,6 +171,8 @@ template <typename T> struct has_gc_marker<T, std::void_t<decltype(&T::_gc_mark)
template <typename T> template <typename T>
struct Py_ final: PyObject { struct Py_ final: PyObject {
static_assert(!std::is_reference_v<T>, "T must not be a reference type. Are you using `PK_OBJ_GET(T&, ...)`?");
T _value; T _value;
void _obj_gc_mark() override { void _obj_gc_mark() override {
if constexpr (has_gc_marker<T>::value) { if constexpr (has_gc_marker<T>::value) {