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Kernel: Add move assign operator to KResultOr

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This commit is contained in:
Andrew Kaster 2019-12-29 00:50:25 -05:00 • committed by Andreas Kling
parent 821484f170
commit bae8e21a8b
1 changed files with 19 additions and 1 deletions
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20
Kernel/KResult.h
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@ -56,12 +56,30 @@ public:
m_is_error = other.m_is_error; m_is_error = other.m_is_error;
if (m_is_error) if (m_is_error)
m_error = other.m_error; m_error = other.m_error;
else else {
new (&m_storage) T(move(other.value())); new (&m_storage) T(move(other.value()));
other.value().~T();
}
other.m_is_error = true; other.m_is_error = true;
other.m_error = KSuccess; other.m_error = KSuccess;
} }
KResultOr& operator=(KResultOr&& other)
{
if (!m_is_error)
value().~T();
m_is_error = other.m_is_error;
if (m_is_error)
m_error = other.m_error;
else {
new (&m_storage) T(move(other.value()));
other.value().~T();
}
other.m_is_error = true;
other.m_error = KSuccess;
return *this;
}
~KResultOr() ~KResultOr()
{ {
if (!m_is_error) if (!m_is_error)