1 // (C) Copyright John Maddock 2021
3 // Use, modification and distribution are subject to the
4 // Boost Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
7 // See http://www.boost.org/libs/config for more information.
9 // MACRO: BOOST_NO_CXX20_HDR_STOP_TOKEN
10 // TITLE: C++20 <stop_token> header is either not present or too broken to be used
11 // DESCRIPTION: The compiler does not support the C++20 header <stop_token>
15 namespace boost_no_cxx20_hdr_stop_token {
17 using std::stop_token;
18 using std::stop_source;
19 using std::stop_callback;
20 using std::nostopstate_t;
21 using std::nostopstate;