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Kernel: Add KResultOr<T>::result()

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This is just a handy way to get either an error or a KSuccess, even if
there is a T present.
This commit is contained in:
Andreas Kling 2020-02-08 11:57:13 +01:00
parent 745ea2a0ef
commit 2f82d4fb31
1 changed files with 3 additions and 2 deletions
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3
Kernel/KResult.h
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@ -119,6 +119,7 @@ public:
ASSERT(m_is_error); ASSERT(m_is_error);
return m_error; return m_error;
} }
KResult result() const { return m_is_error ? KSuccess : m_error; }
T& value() T& value()
{ {
ASSERT(!m_is_error); ASSERT(!m_is_error);
@ -139,7 +140,7 @@ public:
} }
private: private:
alignas (T) char m_storage[sizeof(T)]; alignas(T) char m_storage[sizeof(T)];
KResult m_error; KResult m_error;
bool m_is_error { false }; bool m_is_error { false };
}; };