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-rw-r--r--Kernel/NewKit/ErrorOr.hpp72
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diff --git a/Kernel/NewKit/ErrorOr.hpp b/Kernel/NewKit/ErrorOr.hpp
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+/*
+* ========================================================
+*
+* 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