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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
Notes: sideshowbarker 2024-07-19 10:33:26 +09:00 
Author: https://github.com/ADKaster
Commit: https://github.com/SerenityOS/serenity/commit/bae8e21a8b5
Pull-request: https://github.com/SerenityOS/serenity/pull/953
Reviewed-by: https://github.com/awesomekling
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;
if (m_is_error)
m_error = other.m_error;
else
else {
new (&m_storage) T(move(other.value()));
other.value().~T();
}
other.m_is_error = true;
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()
{
if (!m_is_error)