TGuardValue | Unreal Engine 5.7 Documentation

API > API/Runtime > API/Runtime/Core

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 GuardSomeBool(bSomeBool, false); // Sets bSomeBool to false, and restores it in dtor.


Name	TGuardValue
Type	struct
Header File	/Engine/Source/Runtime/Core/Public/Templates/UnrealTemplate.h
Include Path	#include "Templates/UnrealTemplate.h"

Syntax

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

Inheritance Hierarchy

CNoncopyable → TGuardValue
FNoncopyable → TGuardValue

Derived Classes

TGuardValue derived class hierarchy

Constructors

Name	Remarks	Include Path	Unreal Specifiers
TGuardValue ( RefType& ReferenceValue, const AssignedType& NewValue )		Templates/UnrealTemplate.h

Destructors

Name	Remarks	Include Path	Unreal Specifiers
~TGuardValue()		Templates/UnrealTemplate.h

Variables

Protected

Name	Type	Remarks	Include Path	Unreal Specifiers
OriginalValue	AssignedType		Templates/UnrealTemplate.h
RefValue	RefType &		Templates/UnrealTemplate.h

Functions

Public

Name	Remarks	Include Path	Unreal Specifiers
const AssignedType & GetOriginalValue()	Provides read-only access to the original value of the data being tracked by this struct	Templates/UnrealTemplate.h

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