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Adding enable_if !is_smart_holder_type_caster to existing initimpl::construct(). With this test_factory_constructors.cpp builds with PYBIND11_USE_SMART_HOLDER_AS_DEFAULT.

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Ralf W. Grosse-Kunstleve 2021-02-03 21:00:42 -08:00
parent 8caf0f50df
commit 70eb4ea6e9
1 changed files with 4 additions and 2 deletions
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6
include/pybind11/detail/init.h
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@ -131,7 +131,8 @@ void construct(value_and_holder &v_h, Alias<Class> *alias_ptr, bool) {
// Holder return: copy its pointer, and move or copy the returned holder into the new instance's
// holder. This also handles types like std::shared_ptr<T> and std::unique_ptr<T> where T is a
// derived type (through those holder's implicit conversion from derived class holder constructors).
template <typename Class>
template <typename Class,
detail::enable_if_t<!detail::is_smart_holder_type_caster<Cpp<Class>>::value, int> = 0>
void construct(value_and_holder &v_h, Holder<Class> holder, bool need_alias) {
auto *ptr = holder_helper<Holder<Class>>::get(holder);
no_nullptr(ptr);
@ -161,7 +162,8 @@ void construct(value_and_holder &v_h, Cpp<Class> &&result, bool need_alias) {
// return-by-value version 2: returning a value of the alias type itself. We move-construct an
// Alias instance (even if no the python-side inheritance is involved). The is intended for
// cases where Alias initialization is always desired.
template <typename Class>
template <typename Class,
detail::enable_if_t<!detail::is_smart_holder_type_caster<Cpp<Class>>::value, int> = 0>
void construct(value_and_holder &v_h, Alias<Class> &&result, bool) {
static_assert(std::is_move_constructible<Alias<Class>>::value,
"pybind11::init() return-by-alias-value factory function requires a movable alias class");