equal.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_BASIC_FUNCTIONS_EQUAL_H
#define pRC_CORE_BASIC_FUNCTIONS_EQUAL_H
 
#include <prc/core/basic/functions/zero.hpp>
#include <prc/core/basic/type_traits.hpp>
 
namespace pRC
{
    template<class X>
    static inline constexpr auto operator==(X &&a, Zero<> const)
    {
        return forward<X>(a) == zero<RemoveReference<X>>();
    }
 
    template<class X>
    static inline constexpr auto operator==(Zero<> const, X &&b)
    {
        return zero<RemoveReference<X>>() == forward<X>(b);
    }
 
    static inline constexpr auto operator==(Zero<> const, Zero<> const)
    {
        return true;
    }
}
#endif // pRC_CORE_BASIC_FUNCTIONS_EQUAL_H