copyable.hpp

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//
// Created by yonggyulee on 2023/12/24.
//
 
#ifndef VCCC_CONCEPTS_COPYABLE_HPP_
#define VCCC_CONCEPTS_COPYABLE_HPP_
 
#include <type_traits>
 
#include "vccc/__concepts/assignable_from.hpp"
#include "vccc/__concepts/copy_constructible.hpp"
#include "vccc/__concepts/movable.hpp"
#include "vccc/__type_traits/conjunction.hpp"
#include "vccc/__type_traits/is_referenceable.hpp"
 
namespace vccc {
namespace detail {
 
template<typename T, bool = is_referencable<T>::value>
struct copyable_impl
    : conjunction<
        copy_constructible<T>,
        movable<T>,
        assignable_from<T&, T&>,
        assignable_from<T&, const T&>,
        assignable_from<T&, const T>
      > {};
 
template<typename T>
struct copyable_impl<T, false> : std::false_type {};
 
} // namespace detail
 
 
template<typename T>
struct copyable : detail::copyable_impl<T> {};
 
 
} // namespace vccc
 
#endif // VCCC_CONCEPTS_COPYABLE_HPP_