1 // 2 // detail/array_fwd.hpp 3 // ~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2021 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef BOOST_ASIO_DETAIL_ARRAY_FWD_HPP 12 #define BOOST_ASIO_DETAIL_ARRAY_FWD_HPP 13 14 #if defined(_MSC_VER) && (_MSC_VER >= 1200) 15 # pragma once 16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) 17 18 #include <boost/asio/detail/config.hpp> 19 20 namespace boost { 21 22 template<class T, std::size_t N> 23 class array; 24 25 } // namespace boost 26 27 // Standard library components can't be forward declared, so we'll have to 28 // include the array header. Fortunately, it's fairly lightweight and doesn't 29 // add significantly to the compile time. 30 #if defined(BOOST_ASIO_HAS_STD_ARRAY) 31 # include <array> 32 #endif // defined(BOOST_ASIO_HAS_STD_ARRAY) 33 34 #endif // BOOST_ASIO_DETAIL_ARRAY_FWD_HPP 35