InvalidByDefault.h

//
// Copyright 2017 - 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
 
namespace comms
{
 
namespace field
{
 
namespace adapter
{
 
template <typename TBase>
class InvalidByDefault : public TBase
{
    using BaseImpl = TBase;
public:
 
    using ValueType = typename BaseImpl::ValueType;
 
    InvalidByDefault() = default;
 
    explicit InvalidByDefault(const ValueType& val)
      : BaseImpl(val)
    {
    }
 
    explicit InvalidByDefault(ValueType&& val)
      : BaseImpl(std::move(val))
    {
    }
 
    InvalidByDefault(const InvalidByDefault&) = default;
    InvalidByDefault(InvalidByDefault&&) = default;
    InvalidByDefault& operator=(const InvalidByDefault&) = default;
    InvalidByDefault& operator=(InvalidByDefault&&) = default;
 
    static constexpr bool valid()
    {
        return false;
    }
};
 
}  // namespace adapter
 
}  // namespace field
 
}  // namespace comms