Files
o3de/Code/Legacy/CryCommon/ScopedVariableSetter.h
T
Steve Pham 38261d0800 Shorten copyright headers by splitting into 2 lines (#2213)
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines

Signed-off-by: Steve Pham <spham@amazon.com>
2021-07-16 15:25:48 -07:00

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/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#ifndef CRYINCLUDE_CRYCOMMON_SCOPEDVARIABLESETTER_H
#define CRYINCLUDE_CRYCOMMON_SCOPEDVARIABLESETTER_H
#pragma once
// The idea of this class is to set the value of a variable in its constructor,
// and then in the destructor to reset it to its initial value.
template <typename T>
class CScopedVariableSetter
{
public:
typedef T Value;
CScopedVariableSetter(Value& variable, const Value& temporaryValue)
: m_oldValue(variable)
, m_variable(variable)
{
m_variable = temporaryValue;
}
~CScopedVariableSetter()
{
m_variable = m_oldValue;
}
private:
Value m_oldValue;
Value& m_variable;
};
#endif // CRYINCLUDE_CRYCOMMON_SCOPEDVARIABLESETTER_H