folding.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_FUNCTORS_FOLDING_H
#define pRC_CORE_FUNCTORS_FOLDING_H
 
#include <prc/core/basic/basics.hpp>
#include <prc/core/basic/position.hpp>
 
namespace pRC
{
    template<Position P>
    struct Folding
    {
        template<class X>
            requires requires { folding<P>(declval<X>()); }
        constexpr decltype(auto) operator()(X &&a) const
        {
            return folding<P>(forward<X>(a));
        }
    };
}
#endif // pRC_CORE_FUNCTORS_FOLDING_H