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| author | Stanislaw Halik <sthalik@misaki.pl> | 2024-05-04 12:59:49 +0200 |
|---|---|---|
| committer | Stanislaw Halik <sthalik@misaki.pl> | 2024-05-05 03:31:18 +0200 |
| commit | 5798acdb8cad0c8af2bf5fdb387234a5932ec17d (patch) | |
| tree | 002c11a7dec874d9e576bcd27825816c5bdf7f93 | |
| parent | 4c276b1b1b946e4b08eb7b92a24d30bdc55106fd (diff) | |
wip bptr
| -rw-r--r-- | compat/borrowed-ptr.hpp | 5 | ||||
| -rw-r--r-- | compat/borrowed-ptr.inl | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/compat/borrowed-ptr.hpp b/compat/borrowed-ptr.hpp index f649cae3..10b95be9 100644 --- a/compat/borrowed-ptr.hpp +++ b/compat/borrowed-ptr.hpp @@ -14,7 +14,7 @@ class bptr final // NOLINT(*-special-member-functions) T* ptr; // todo add simple_bptr that doesn't allow casting. should only have the control block element. detail_borrowed_ptr::control_block_* blk; - friend bptr<T> static_pointer_cast<T>(const bptr<T>& p); + constexpr bptr(NoInitT) noexcept; public: template<typename... Ts> @@ -38,8 +38,11 @@ public: T* operator->() const noexcept; uint32_t use_count() const noexcept; explicit operator bool() const noexcept; + + friend bptr<T> static_pointer_cast<T>(const bptr<T>& p); }; +template<typename T> constexpr bptr<T>::bptr(NoInitT) noexcept {}; template<typename T> constexpr bptr<T>::bptr(std::nullptr_t) noexcept: ptr{nullptr}, blk{nullptr} {} template<typename T> constexpr bptr<T>::bptr() noexcept: bptr{nullptr} {} diff --git a/compat/borrowed-ptr.inl b/compat/borrowed-ptr.inl index 1d0ac7b6..7302c857 100644 --- a/compat/borrowed-ptr.inl +++ b/compat/borrowed-ptr.inl @@ -141,7 +141,7 @@ bptr<T>& bptr<T>::operator=(bptr<Y>&& other) noexcept template<typename T, typename U> bptr<T> static_pointer_cast(const bptr<U>& p) { - auto ret = bptr<T>{}; + auto ret = bptr<T>{NoInit}; ret.blk = p.blk; if (ret.blk) [[likely]] ret.blk->incr(); |