28 lines
1.0 KiB
C++
28 lines
1.0 KiB
C++
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// Copyright (C) 2019 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-std=gnu++2a" }
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// { dg-do preprocess { target c++2a } }
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#include <concepts>
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#ifndef __cpp_lib_concepts
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# error "Feature test macro for concepts is missing in <concepts>"
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#elif __cpp_lib_concepts < 201806L
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# error "Feature test macro for concepts has wrong value in <concepts>"
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#endif
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