24 lines
591 B
C++
24 lines
591 B
C++
// (C) Copyright John Maddock 2018
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// Use, modification and distribution are subject to the
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// Boost Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/config for more information.
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// MACRO: BOOST_NO_CXX17_HDR_OPTIONAL
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// TITLE: C++17 header <optional> unavailable
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// DESCRIPTION: The standard library does not supply C++17 header <optional>
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#include <optional>
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namespace boost_no_cxx17_hdr_optional {
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int test()
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{
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using std::optional;
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return 0;
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}
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}
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