accumtraits3.hpp

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#pragma once

template <typename T>
class AccumulationTraits;

template <>
class AccumulationTraits<char>
{
public:
        using type = int;
        static const type value = 0;
};

template <>
class AccumulationTraits<short>
{
public:
        using type = int;
        static const type value = 0;
};

template <>
class AccumulationTraits<int>
{
public:
        using type = long;
        static constexpr type value = 0;
};