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[cplusplus] Adjustments

This commit is contained in:
Behdad Esfahbod 2022-06-02 08:00:08 -06:00
parent 0b35940a72
commit 0d3d5b62ae
2 changed files with 10 additions and 2 deletions
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8
src/hb-cplusplus.hh
View File

@ -49,9 +49,10 @@ struct vtable;
template <typename T>
struct shared_ptr
{
using element_type = T;
using v = vtable<T>;
shared_ptr (std::nullptr_t) : p (nullptr) {}
explicit shared_ptr (T *p = nullptr) : p (p) {}
shared_ptr (const shared_ptr &o) : p (v::reference (o.p)) {}
shared_ptr (shared_ptr &&o) : p (o.p) { o.p = nullptr; }
@ -84,6 +85,11 @@ struct shared_ptr
T *p;
};
template<typename T> struct is_shared_ptr : std::false_type {};
template<typename T> struct is_shared_ptr<shared_ptr<T>> : std::true_type {};
// TODO Implement hash<> and atomic<>
template <typename T,
T * (*_get_empty) (void),
T * (*_reference) (T *),

4
src/test-map.cc
View File

@ -223,13 +223,15 @@ main (int argc, char **argv)
}
/* Test hb::shared_ptr. */
hb_hash (hb::shared_ptr<hb_set_t> ());
#if 0
{
hb_hashmap_t<hb::shared_ptr<hb_set_t>, hb::shared_ptr<hb_set_t>, std::nullptr_t, std::nullptr_t, nullptr, nullptr> m;
hb_hash (hb::shared_ptr<hb_set_t> ());
m.get (hb::shared_ptr<hb_set_t> ());
m.get (hb::shared_ptr<hb_set_t> (hb_set_get_empty ()));
}
#endif
return 0;
}