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AK: Add Optional::emplace method.

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This commit is contained in:
asynts 2020-08-29 19:18:01 +02:00 • committed by Andreas Kling
parent b2de1ba779
commit deb85c47b5
1 changed files with 13 additions and 4 deletions
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11
AK/Optional.h
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@ -34,7 +34,8 @@
namespace AK {
template<typename T>
class alignas(T) [[nodiscard]] Optional {
class alignas(T) [[nodiscard]] Optional
{
public:
Optional() { }
@ -116,6 +117,14 @@ public:
}
}
template<typename... Parameters>
ALWAYS_INLINE void emplace(Parameters && ... parameters)
{
clear();
m_has_value = true;
new (&m_storage) T(forward<Parameters>(parameters)...);
}
ALWAYS_INLINE bool has_value() const { return m_has_value; }
ALWAYS_INLINE T& value()