identity.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_VALUE_IDENTITY_H
#define pRC_CORE_VALUE_IDENTITY_H
 
#include <prc/core/basic/identity.hpp>
#include <prc/core/value/float.hpp>
#include <prc/core/value/value.hpp>
 
namespace pRC
{
    template<IsValue T>
    struct Identity<T>
    {
        constexpr T operator()() const
        {
            return 1;
        }
 
        template<class X>
            requires IsConstructible<T, X>
        constexpr T operator()(X &&value) const
        {
            return forward<X>(value);
        }
    };
 
    template<>
    struct Identity<Float<16>>
    {
        constexpr Float<16> operator()() const
        {
            return BFloat16::FromRepresentation(0x3F80);
        }
 
        template<class X>
            requires IsConstructible<Float<16>, X>
        constexpr Float<16> operator()(X &&value) const
        {
            return forward<X>(value);
        }
    };
}
#endif // pRC_CORE_VALUE_IDENTITY_H