ValueAssignWrapper.h

//
// Copyright 2019 - 2024 (C). Alex Robenko. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
#pragma once
 
#include <type_traits>
 
namespace comms
{
 
namespace details
{
 
template <typename T>
class ValueAssignWrapper
{
    using ValueType = typename std::decay<T>::type;
 
public:
    explicit ValueAssignWrapper(T& value) : m_value(value) {}
 
    template <typename U>
    ValueAssignWrapper& operator=(U&& val)
    {
        m_value = static_cast<ValueType>(val);
        return *this;
    }
 
    operator ValueType&()
    {
        return m_value;
    }
 
    operator const ValueType&() const
    {
        return m_value;
    }
 
private:
 
    T& m_value;
};
 
} // namespace details
 
} // namespace comms