39 lines
740 B
C++
39 lines
740 B
C++
/*
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* Copyright (C) 2018-2021 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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template <typename T>
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class VariableBackup {
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public:
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VariableBackup(T *ptr) : pValue(ptr) {
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oldValue = *ptr;
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}
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VariableBackup(T *ptr, T &&newValue) : pValue(ptr) {
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oldValue = *ptr;
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*pValue = newValue;
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}
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VariableBackup(T *ptr, T &newValue) : pValue(ptr) {
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oldValue = *ptr;
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*pValue = newValue;
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}
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~VariableBackup() {
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*pValue = oldValue;
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}
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void operator=(const T &val) {
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*pValue = val;
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}
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template <typename T2>
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bool operator==(const T2 &val) const {
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return *pValue == val;
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}
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private:
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T oldValue;
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T *pValue;
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};
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