text: //
  // traits/bulk_execute_free.hpp
  // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  //
  // Copyright (c) 2003-2021 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 BOOST_ASIO_TRAITS_BULK_EXECUTE_FREE_HPP
  #define BOOST_ASIO_TRAITS_BULK_EXECUTE_FREE_HPP
  
  #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  # pragma once
  #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  
  #include <boost/asio/detail/config.hpp>
  #include <boost/asio/detail/type_traits.hpp>
  
  #if defined(BOOST_ASIO_HAS_DECLTYPE) \
    && defined(BOOST_ASIO_HAS_NOEXCEPT) \
    && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)
  # define BOOST_ASIO_HAS_DEDUCED_BULK_EXECUTE_FREE_TRAIT 1
  #endif // defined(BOOST_ASIO_HAS_DECLTYPE)
         //   && defined(BOOST_ASIO_HAS_NOEXCEPT)
         //   && defined(BOOST_ASIO_HAS_WORKING_EXPRESSION_SFINAE)
  
  #include <boost/asio/detail/push_options.hpp>
  
  namespace boost {
  namespace asio {
  namespace traits {
  
  template <typename T, typename F, typename N, typename = void>
  struct bulk_execute_free_default;
  
  template <typename T, typename F, typename N, typename = void>
  struct bulk_execute_free;
  
  } // namespace traits
  namespace detail {
  
  struct no_bulk_execute_free
  {
    BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = false);
    BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = false);
  };
  
  #if defined(BOOST_ASIO_HAS_DEDUCED_BULK_EXECUTE_FREE_TRAIT)
  
  template <typename T, typename F, typename N, typename = void>
  struct bulk_execute_free_trait : no_bulk_execute_free
  {
  };
  
  template <typename T, typename F, typename N>
  struct bulk_execute_free_trait<T, F, N,
    typename void_type<
      decltype(bulk_execute(declval<T>(), declval<F>(), declval<N>()))
    >::type>
  {
    BOOST_ASIO_STATIC_CONSTEXPR(bool, is_valid = true);
  
    using result_type = decltype(
      bulk_execute(declval<T>(), declval<F>(), declval<N>()));
  
    BOOST_ASIO_STATIC_CONSTEXPR(bool, is_noexcept = noexcept(
      bulk_execute(declval<T>(), declval<F>(), declval<N>())));
  };
  
  #else // defined(BOOST_ASIO_HAS_DEDUCED_BULK_EXECUTE_FREE_TRAIT)
  
  template <typename T, typename F, typename N, typename = void>
  struct bulk_execute_free_trait :
    conditional<
      is_same<T, typename remove_reference<T>::type>::value
        && is_same<F, typename decay<F>::type>::value
        && is_same<N, typename decay<N>::type>::value,
      typename conditional<
        is_same<T, typename add_const<T>::type>::value,
        no_bulk_execute_free,
        traits::bulk_execute_free<typename add_const<T>::type, F, N>
      >::type,
      traits::bulk_execute_free<
        typename remove_reference<T>::type,
        typename decay<F>::type,
        typename decay<N>::type>
    >::type
  {
  };
  
  #endif // defined(BOOST_ASIO_HAS_DEDUCED_BULK_EXECUTE_FREE_TRAIT)
  
  } // namespace detail
  namespace traits {
  
  template <typename T, typename F, typename N, typename>
  struct bulk_execute_free_default :
    detail::bulk_execute_free_trait<T, F, N>
  {
  };
  
  template <typename T, typename F, typename N, typename>
  struct bulk_execute_free :
    bulk_execute_free_default<T, F, N>
  {
  };
  
  } // namespace traits
  } // namespace asio
  } // namespace boost
  
  #include <boost/asio/detail/pop_options.hpp>
  
  #endif // BOOST_ASIO_TRAITS_BULK_EXECUTE_FREE_HPP
  