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#pragma once
namespace floormat::detail_borrowed_ptr { struct control_block_; }
namespace floormat {
template<typename T> class bptr;
template<typename T> bool operator==(const bptr<T>& a, const bptr<T>& b) noexcept;
template<typename T>
class bptr final // NOLINT(*-special-member-functions)
{
mutable T* casted_ptr;
detail_borrowed_ptr::control_block_* blk;
explicit bptr(DirectInitT, T* casted_ptr, detail_borrowed_ptr::control_block_* blk) noexcept;
//explicit bptr(NoInitT) noexcept;
public:
template<typename... Ts>
requires std::is_constructible_v<T, Ts&&...>
explicit bptr(InPlaceInitT, Ts&&... args) noexcept;
bptr(std::nullptr_t) noexcept; // NOLINT(*-explicit-conversions)
bptr() noexcept;
explicit bptr(T* ptr) noexcept;
~bptr() noexcept;
bptr& operator=(std::nullptr_t) noexcept;
template<typename Y> requires std::is_convertible_v<Y*, T*> bptr(const bptr<Y>&) noexcept;
template<typename Y> requires std::is_convertible_v<Y*, T*> bptr& operator=(const bptr<Y>&) noexcept;
template<typename Y> requires std::is_convertible_v<Y*, T*> bptr(bptr<Y>&&) noexcept;
template<typename Y> requires std::is_convertible_v<Y*, T*> bptr& operator=(bptr<Y>&&) noexcept;
friend bool operator==<T>(const bptr<T>& a, const bptr<T>& b) noexcept;
explicit operator bool() const noexcept;
void reset() noexcept;
template<bool MaybeEmpty = true> void destroy() noexcept;
void swap(bptr& other) noexcept;
uint32_t use_count() const noexcept;
T* get() const noexcept;
T* operator->() const noexcept;
T& operator*() const noexcept;
template<typename U> friend class bptr;
template<typename Tʹ, typename U> friend bptr<U> static_pointer_cast(const bptr<Tʹ>& p) noexcept;
};
} // namespace floormat
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