// (C) Copyright John Maddock 2019 // Use, modification and distribution are subject to 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) // See http://www.boost.org/libs/config for more information. // MACRO: BOOST_NO_CXX17_HDR_VARIANT // TITLE: C++17 header unavailable // DESCRIPTION: The standard library does not supply C++17 header #include namespace boost_no_cxx17_hdr_variant { int test() { using std::variant; using std::visit; using std::holds_alternative; using std::get; using std::get_if; using std::monostate; using std::bad_variant_access; using std::variant_size; using std::variant_alternative; using std::variant_npos; return 0; } }