is_duplex_integer.h

 
//          Copyright John McFarlane 2018.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file ../LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)
 
#if !defined(CNL_IMPL_DUPLEX_INTEGER_IS_DUPLEX_INTEGER_H)
#define CNL_IMPL_DUPLEX_INTEGER_IS_DUPLEX_INTEGER_H
 
#include "declaration.h"
 
#include <type_traits>
 
namespace cnl {
    namespace _impl {
        template<typename T>
        struct is_duplex_integer : std::false_type {
        };
 
        template<typename Upper, typename Lower>
        struct is_duplex_integer<duplex_integer<Upper, Lower>> : std::true_type {
        };
 
        template<typename T>
        inline constexpr auto is_duplex_integer_v = is_duplex_integer<T>::value;
 
        template<typename T>
        concept any_duplex_integer = is_duplex_integer_v<T>;
    }
}
 
#endif  // CNL_IMPL_DUPLEX_INTEGER_IS_DUPLEX_INTEGER_H