less.hpp

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// SPDX-License-Identifier: BSD-2-Clause
 
#ifndef pRC_CORE_VALUE_FUNCTIONS_LESS_H
#define pRC_CORE_VALUE_FUNCTIONS_LESS_H
 
#include <prc/core/basic/functions/zero.hpp>
#include <prc/core/value/value.hpp>
 
namespace pRC
{
    template<IsValue TA, IsValue TB>
    static inline constexpr auto operator<(TA const &a, TB const &b)
    {
        return a() < b();
    }
 
    template<IsInteger TA, IsInteger TB>
    static inline constexpr auto operator<(TA const &a, TB const &b)
    {
        return a() < b();
    }
 
    template<IsSignedInteger TA, IsUnsignedInteger TB>
    static inline constexpr auto operator<(TA const &a, TB const &b)
    {
        return a < zero() ? true : a() < b();
    }
 
    template<IsUnsignedInteger TA, IsSignedInteger TB>
    static inline constexpr auto operator<(TA const &a, TB const &b)
    {
        return b < zero() ? false : a() < b();
    }
}
#endif // pRC_CORE_VALUE_FUNCTIONS_LESS_H