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Diffstat (limited to 'Kernel/NewKit/ErrorOr.hpp')
| -rw-r--r-- | Kernel/NewKit/ErrorOr.hpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/Kernel/NewKit/ErrorOr.hpp b/Kernel/NewKit/ErrorOr.hpp new file mode 100644 index 00000000..236a2d1c --- /dev/null +++ b/Kernel/NewKit/ErrorOr.hpp @@ -0,0 +1,72 @@ +/* +* ======================================================== +* +* NewOS +* Copyright SoftwareLabs, all rights reserved. +* +* ======================================================== +*/ + +#pragma once + +#include <NewKit/Defines.hpp> +#include <NewKit/Ref.hpp> + +namespace NewOS +{ + using ErrorT = UInt; + + template <typename T> + class ErrorOr final + { + public: + ErrorOr() = default; + ~ErrorOr() = default; + + public: + explicit ErrorOr(Int32 err) + : mId(err) + { + } + + explicit ErrorOr(nullPtr Null) + { + } + + explicit ErrorOr(T Class) + : mRef(Class) + { + } + + ErrorOr& operator=(const ErrorOr&) = default; + ErrorOr(const ErrorOr&) = default; + + ErrorOr& operator=(const Ref<T>& refErr) + { + mRef = refErr; + return *this; + } + + Ref<T> Leak() + { + return mRef; + } + + Int32 Error() + { + return mId; + } + + operator bool() + { + return mRef; + } + + private: + Ref<T> mRef; + Int32 mId{0}; + }; + + using ErrorOrAny = ErrorOr<voidPtr>; + +} // namespace NewOS |
