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copyable_holder_caster<type, std::shared_ptr<type>>: split load_value_shared_ptr(), load_value_smart_holder() (the latter just throws right now)

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This commit is contained in:
Ralf W. Grosse-Kunstleve 2024-07-03 10:30:14 -07:00
parent 556f28a1a4
commit 17c0354050
1 changed files with 13 additions and 6 deletions
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19
include/pybind11/cast.h
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@ -867,13 +867,9 @@ public:
protected: protected:
friend class type_caster_generic; friend class type_caster_generic;
void check_holder_compat() { void check_holder_compat() {}
if (typeinfo->default_holder) {
throw cast_error("Unable to load a custom holder type from a default-holder instance");
}
}
bool load_value(value_and_holder &&v_h) { bool load_value_shared_ptr(value_and_holder &&v_h) {
if (v_h.holder_constructed()) { if (v_h.holder_constructed()) {
value = v_h.value_ptr(); value = v_h.value_ptr();
holder = v_h.template holder<std::shared_ptr<type>>(); holder = v_h.template holder<std::shared_ptr<type>>();
@ -889,6 +885,17 @@ protected:
#endif #endif
} }
bool load_value_smart_holder(value_and_holder && /*v_h*/) {
throw std::runtime_error("BAKEIN_WIP load_value_smart_holder");
}
bool load_value(value_and_holder &&v_h) {
if (typeinfo->default_holder) {
return load_value_smart_holder(std::move(v_h));
}
return load_value_shared_ptr(std::move(v_h));
}
template <typename T = std::shared_ptr<type>, template <typename T = std::shared_ptr<type>,
detail::enable_if_t<!std::is_constructible<T, const T &, type *>::value, int> = 0> detail::enable_if_t<!std::is_constructible<T, const T &, type *>::value, int> = 0>
bool try_implicit_casts(handle, bool) { bool try_implicit_casts(handle, bool) {