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> Unreal Engine API Reference > Runtime > Core > Templates > TGuardValue

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TGuardValue

Exception-safe guard around saving/restoring a value.

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Inheritance Hierarchy

FNoncopyable

TGuardValue

	IConcertClientPackageBridge::FScopedIgnoreLocalDiscard
	IConcertClientPackageBridge::FScopedIgnoreLocalSave
	IConcertClientTransactionBridge::FScopedIgnoreLocalTransaction

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Templates/UnrealTemplate.h
Include	#include "Templates/UnrealTemplate.h"

Syntax

template<typename RefType, typename AssignedType>
struct TGuardValue : private FNoncopyable

Remarks

Exception-safe guard around saving/restoring a value. Commonly used to make sure a value is restored even if the code early outs in the future. Usage: TGuardValue<bool> GuardSomeBool(bSomeBool, false); // Sets bSomeBool to false, and restores it in dtor.

Constructors

	Name	Description
	TGuardValue ( RefType& ReferenceValue, const AssignedType& NewValue )

Destructors

	Name	Description
	~TGuardValue()

Operators

		Name	Description
	const Assign...	operator*()	Overloaded dereference operator.

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