Tag.h

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/*
* Copyright Onix Solutions Limited [OnixS]. All rights reserved.
*
* This software owned by Onix Solutions Limited [OnixS] and is protected by copyright law
* and international copyright treaties.
*
* Access to and use of the software is governed by the terms of the applicable OnixS Software
* Services Agreement (the Agreement) and Customer end user license agreements granting
* a non-assignable, non-transferable and non-exclusive license to use the software
* for it's own data processing purposes under the terms defined in the Agreement.
*
* Except as otherwise granted within the terms of the Agreement, copying or reproduction of any part
* of this source code or associated reference material to any other location for further reproduction
* or redistribution, and any amendments to this copyright notice, are expressly prohibited.
*
* Any reproduction or redistribution for sale or hiring of the Software not in accordance with
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*/

#pragma once

#include <OnixS/FIXEngine/Compiler.h>
#include <OnixS/FIXEngine/FIX/Numeric.h>

namespace OnixS {
namespace FIX {
/// Alias for tag numbers.
typedef unsigned Tag;

/// Tag traits.
struct TagTraits {
    /// Represents the value which is not used in the real-time
    /// thus can be used to identify the non-existent field.
    static ONIXS_FIXENGINE_CONST_OR_CONSTEXPR Tag Zero = 0;
};
}
}