62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
|
//
|
||
|
|
// is_applicable_property.hpp
|
||
|
|
// ~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
|
//
|
||
|
|
// Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com)
|
||
|
|
//
|
||
|
|
// 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)
|
||
|
|
//
|
||
|
|
|
||
|
|
#ifndef ASIO_IS_APPLICABLE_PROPERTY_HPP
|
||
|
|
#define ASIO_IS_APPLICABLE_PROPERTY_HPP
|
||
|
|
|
||
|
|
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
# pragma once
|
||
|
|
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
|
||
|
|
|
||
|
|
#include "asio/detail/config.hpp"
|
||
|
|
#include "asio/detail/type_traits.hpp"
|
||
|
|
|
||
|
|
namespace asio {
|
||
|
|
namespace detail {
|
||
|
|
|
||
|
|
template <typename T, typename Property, typename = void>
|
||
|
|
struct is_applicable_property_trait : false_type
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined(ASIO_HAS_VARIABLE_TEMPLATES)
|
||
|
|
|
||
|
|
template <typename T, typename Property>
|
||
|
|
struct is_applicable_property_trait<T, Property,
|
||
|
|
void_t<
|
||
|
|
enable_if_t<
|
||
|
|
!!Property::template is_applicable_property_v<T>
|
||
|
|
>
|
||
|
|
>> : true_type
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // defined(ASIO_HAS_VARIABLE_TEMPLATES)
|
||
|
|
|
||
|
|
} // namespace detail
|
||
|
|
|
||
|
|
template <typename T, typename Property, typename = void>
|
||
|
|
struct is_applicable_property :
|
||
|
|
detail::is_applicable_property_trait<T, Property>
|
||
|
|
{
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined(ASIO_HAS_VARIABLE_TEMPLATES)
|
||
|
|
|
||
|
|
template <typename T, typename Property>
|
||
|
|
constexpr const bool is_applicable_property_v
|
||
|
|
= is_applicable_property<T, Property>::value;
|
||
|
|
|
||
|
|
#endif // defined(ASIO_HAS_VARIABLE_TEMPLATES)
|
||
|
|
|
||
|
|
} // namespace asio
|
||
|
|
|
||
|
|
#endif // ASIO_IS_APPLICABLE_PROPERTY_HPP
|