unit.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_BASIC_UNIT_H
#define pRC_CORE_BASIC_UNIT_H
 
#include <prc/core/basic/identity.hpp>
 
namespace pRC
{
    template<class T = Void>
    struct Unit;
 
    template<class T>
    struct Unit<T const> : Unit<T>
    {
    };
 
    template<IsVoid T>
        requires IsDefined<Identity<T>>
    struct Unit<T> : Identity<T>
    {
    };
 
    template<IsBool T>
        requires IsDefined<Identity<T>>
    struct Unit<T> : Identity<T>
    {
    };
 
    template<IsIntegral T>
        requires IsDefined<Identity<T>>
    struct Unit<T> : Identity<T>
    {
    };
}
#endif // pRC_CORE_BASIC_UNIT_H