Optional.h File Reference

#include "CoreTypes.h"
#include "Misc/AssertionMacros.h"
#include "Misc/IntrusiveUnsetOptionalState.h"
#include "Misc/OptionalFwd.h"
#include "Templates/MemoryOps.h"
#include "Templates/TypeHash.h"
#include "Templates/UnrealTemplate.h"
#include "Serialization/Archive.h"
#include <type_traits>

Go to the source code of this file.

Classes
struct	UE::Core::Private::FEmpty
struct	UE::Core::Private::FOptional
struct	UE::Core::Private::TOptionalBase< OptionalType, bIsTriviallyDestructible >
struct	UE::Core::Private::TOptionalBase< OptionalType, false >
struct	TOptional< OptionalType >

Namespaces
namespace	UE
namespace	UE::Core
namespace	UE::Core::Private
	implementation

Functions
template<typename OptionalType >
FArchive &	operator<< (FArchive &Ar, TOptional< OptionalType > &Optional)
template<typename OptionalType >
auto	GetTypeHash (const TOptional< OptionalType > &Optional) -> decltype(GetTypeHash(*Optional))

Variables
constexpr FNullOpt	NullOpt {0}

Function Documentation

GetTypeHash()

template<typename OptionalType >

auto GetTypeHash ( const TOptional< OptionalType > &  Optional ) -> decltype(GetTypeHash(*Optional))

inline

operator<<()

template<typename OptionalType >

FArchive & operator<<	(	FArchive &	Ar,
		TOptional< OptionalType > &	Optional
	)

Variable Documentation

NullOpt

constexpr FNullOpt NullOpt {0}

inlineconstexpr