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| author | Felix Morgner <felix.morgner@ost.ch> | 2026-09-10 14:33:19 +0200 |
|---|---|---|
| committer | Felix Morgner <felix.morgner@ost.ch> | 2026-09-10 14:33:19 +0200 |
| commit | 14ec8e92b45a2eae5bdb3d459cee9633ea129359 (patch) | |
| tree | e25ec59134144bbdd00c451136b8425a75d89050 /libs | |
| parent | fcc2527351589b6e3a85e88d01f1d310165aa8af (diff) | |
| download | kernel-14ec8e92b45a2eae5bdb3d459cee9633ea129359.tar.xz kernel-14ec8e92b45a2eae5bdb3d459cee9633ea129359.zip | |
kstd/memory: introduce observer_ptr casts
Diffstat (limited to 'libs')
| -rw-r--r-- | libs/kstd/kstd/bits/observer_ptr.hpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libs/kstd/kstd/bits/observer_ptr.hpp b/libs/kstd/kstd/bits/observer_ptr.hpp index d53ab5a0..d0c40549 100644 --- a/libs/kstd/kstd/bits/observer_ptr.hpp +++ b/libs/kstd/kstd/bits/observer_ptr.hpp @@ -160,6 +160,48 @@ namespace kstd return observer_ptr<ElementType>{pointer}; } + template<typename T, typename U> + [[nodiscard]] constexpr auto static_pointer_cast(observer_ptr<U> const & other) noexcept -> observer_ptr<T> + { + return observer_ptr{static_cast<observer_ptr<T>::element_type *>(other.get())}; + } + + template<typename T, typename U> + [[nodiscard]] constexpr auto static_pointer_cast(observer_ptr<U> && other) noexcept -> observer_ptr<T> + { + return observer_ptr{static_cast<observer_ptr<T>::element_type *>(std::move(other).get())}; + } + + template<typename T, typename U> + [[nodiscard]] constexpr auto dynamic_pointer_cast(observer_ptr<U> const & other) noexcept -> observer_ptr<T> = delete; + + template<typename T, typename U> + [[nodiscard]] constexpr auto dynamic_pointer_cast(observer_ptr<U> && other) noexcept -> observer_ptr<T> = delete; + + template<typename T, typename U> + [[nodiscard]] constexpr auto const_pointer_cast(observer_ptr<U> const & other) noexcept -> observer_ptr<T> + { + return observer_ptr{const_cast<observer_ptr<T>::element_type *>(other.get())}; + } + + template<typename T, typename U> + [[nodiscard]] constexpr auto const_pointer_cast(observer_ptr<U> && other) noexcept -> observer_ptr<T> + { + return observer_ptr{const_cast<observer_ptr<T>::element_type *>(other.get())}; + } + + template<typename T, typename U> + [[nodiscard]] constexpr auto reinterpret_pointer_cast(observer_ptr<U> const & other) noexcept -> observer_ptr<T> + { + return observer_ptr{reinterpret_cast<observer_ptr<T>::element_type *>(other.get())}; + } + + template<typename T, typename U> + [[nodiscard]] constexpr auto reinterpret_pointer_cast(observer_ptr<U> && other) noexcept -> observer_ptr<T> + { + return observer_ptr{reinterpret_cast<observer_ptr<T>::element_type *>(other.get())}; + } + } // namespace kstd #endif
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