or.h

// Description: Logical-or type-function
// Documentation: type_traits.txt

#ifndef PASTELSYS_OR_H
#define PASTELSYS_OR_H

#include "pastel/sys/type_traits/fold.h"

#include <type_traits>

namespace Pastel
{

    namespace Or_
    {

        template <
            typename Left_Condition,
            typename Right_Condition>
        using Or_F_ =
            Identity_F<
                std::integral_constant< 
                    bool,
                    Left_Condition::value || Right_Condition::value
                >
            >;

    }

    template <typename... ConditionSet>
    using Or =
        Fold<Or_::Or_F_, std::false_type, ConditionSet...>;

    template <typename... ConditionSet>
    using Or_F = 
        Identity_F<Or<ConditionSet...>>;

}

#endif