IOperator.hpp

#pragma once

#define OPERATOR_METHODS_INLINE(_Ty) \
auto operator!=(const _Ty &obj) const -> bool \
{ \
    return !operator==(obj); \
}; \
auto operator<=(const _Ty &obj) const -> bool \
{ \
    return operator<(obj) || operator==(obj); \
}; \
auto operator>(const _Ty &obj) const -> bool \
{ \
    return !operator<=(obj); \
}; \
auto operator>=(const _Ty &obj) const -> bool \
{ \
    return !operator<(obj); \
};

#define OPERATOR_METHODS_HEADER(_Ty) \
auto operator!=(const _Ty &obj) const -> bool; \
auto operator<=(const _Ty &obj) const -> bool; \
auto operator>(const _Ty &obj) const -> bool; \
auto operator>=(const _Ty &obj) const -> bool;

#define OPERATOR_METHODS_BODY(_Class, _Ty) \
auto _Class::operator!=(const _Ty &obj) const -> bool \
{ \
    return !operator==(obj); \
} \
auto _Class::operator<=(const _Ty &obj) const -> bool \
{ \
    return operator<(obj) || operator==(obj); \
} \
auto _Class::operator>(const _Ty &obj) const -> bool \
{ \
    return !operator<=(obj); \
} \
auto _Class::operator>=(const _Ty &obj) const -> bool \
{ \
    return !operator<(obj); \
}

namespace samchon
{
namespace library
{
    template <typename T>
    class IOperator
    {
    public:
        IOperator()
        {
        };
        virtual ~IOperator() = default;

        virtual auto operator<(const IOperator&) const -> bool = 0;

        virtual auto operator==(const IOperator&) const -> bool = 0;

        auto operator!=(const IOperator<T> &obj) const -> bool
        {
            return !operator==(obj);
        };
        auto operator<=(const IOperator<T> &obj) const -> bool
        {
            return operator<(obj) || operator==(obj);
        };
        auto operator>(const IOperator<T> &obj) const -> bool
        {
            return !operator<(obj) && !operator==(obj);
        };
        auto operator>=(const IOperator<T> &obj) const -> bool
        {
            return !operator<(obj);
        };
    };
};
};