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58 lines
1.4 KiB
C++
58 lines
1.4 KiB
C++
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// Copyright (C) 2014-2015 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++14" }
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#include <experimental/functional>
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#include <testsuite_hooks.h>
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int func(int, char) { return 0; }
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struct F
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{
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bool operator()() { return false; }
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bool operator()() const { return true; }
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bool operator()(int) { return false; }
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bool operator()(int) volatile { return true; }
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};
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void
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test01()
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{
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using std::experimental::not_fn;
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auto f1 = not_fn(func);
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VERIFY( f1(1, '2') == true );
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auto f2 = not_fn( [] { return true; } );
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VERIFY( f2() == false );
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auto f3 = not_fn( F{} );
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VERIFY( f3() == true );
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VERIFY( f3(1) == true );
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const auto f4 = f3;
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VERIFY( f4() == false );
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volatile auto f5 = f3;
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VERIFY( f5(1) == false );
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}
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int
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main()
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{
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test01();
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}
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