40 lines
1.4 KiB
C++
40 lines
1.4 KiB
C++
// 2019-05-14 Nina Dinka Ranns <dinka.ranns@gmail.com>
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// Copyright (C) 2019-2020 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-do compile { target c++14 } }
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#include <type_traits>
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// Example taken from LWG2960
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using std::__nonesuch;
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struct such {};
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void f(const such&){};
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void f(const std::__nonesuch&);
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int main(){
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static_assert(!std::is_default_constructible<__nonesuch>::value,
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"__nonesuch is default constructible");
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static_assert(!std::is_copy_constructible<__nonesuch>::value,
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"__nonesuch is copy constructible");
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static_assert(!std::is_assignable<__nonesuch, __nonesuch>::value,
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"__nonesuch is assignable");
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static_assert(!std::is_destructible<__nonesuch>::value,
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"__nonesuch is destructible");
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f({});
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}
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