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PYBIND11_HAVE_HOLDER_CASTER_WITH_SMART_HOLDER_SUPPORT

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Introduce two helper types:

* copyable_holder_caster_shared_ptr_with_smart_holder_support_enabled

* move_only_holder_caster_unique_ptr_with_smart_holder_support_enabled
This commit is contained in:
Ralf W. Grosse-Kunstleve 2024-07-12 22:55:23 -07:00
parent 092d236b4e
commit 6fa0a2e439
1 changed files with 17 additions and 2 deletions
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19
include/pybind11/cast.h
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@ -835,9 +835,18 @@ protected:
holder_type holder;
};
#define PYBIND11_HAVE_HOLDER_CASTER_WITH_SMART_HOLDER_SUPPORT
template <typename, typename SFINAE = void>
struct copyable_holder_caster_shared_ptr_with_smart_holder_support_enabled : std::true_type {};
// BAKEIN_WIP
template <typename type>
struct copyable_holder_caster<type, std::shared_ptr<type>> : public type_caster_base<type> {
struct copyable_holder_caster<
type,
std::shared_ptr<type>,
enable_if_t<copyable_holder_caster_shared_ptr_with_smart_holder_support_enabled<type>::value>>
: public type_caster_base<type> {
public:
using base = type_caster_base<type>;
static_assert(std::is_base_of<base, type_caster<type>>::value,
@ -983,9 +992,15 @@ struct move_only_holder_caster {
static constexpr auto name = type_caster_base<type>::name;
};
template <typename, typename SFINAE = void>
struct move_only_holder_caster_unique_ptr_with_smart_holder_support_enabled : std::true_type {};
// BAKEIN_WIP
template <typename type, typename deleter>
struct move_only_holder_caster<type, std::unique_ptr<type, deleter>>
struct move_only_holder_caster<
type,
std::unique_ptr<type, deleter>,
enable_if_t<move_only_holder_caster_unique_ptr_with_smart_holder_support_enabled<type>::value>>
: public type_caster_base<type> {
public:
using base = type_caster_base<type>;