43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
// Copyright (C) 2014-2020 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 <experimental/functional>
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// These tests are rather simple, the front-end tests already test
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// variable templates, and the library tests for the underlying
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// traits are more elaborate. These are just simple sanity tests.
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int f(int);
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using B = decltype(std::bind(f, std::placeholders::_1));
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static_assert(!std::experimental::is_bind_expression_v<int>
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&& !std::is_bind_expression<int>::value, "");
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static_assert(std::experimental::is_bind_expression_v<B>
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&& std::is_bind_expression<B>::value, "");
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using PH = decltype(std::placeholders::_1);
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static_assert(!std::experimental::is_placeholder_v<int>
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&& !std::is_placeholder<int>::value, "");
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static_assert(std::experimental::is_placeholder_v<PH>
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&& std::is_placeholder<PH>::value, "");
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