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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
// Copyright (C) 2017-2019 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-do compile { target c++14 } }
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// PR 78991
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// This failed to compile with Clang because the result_of expression causes
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// instantiation of _Iter_comp_iter::operator() outside the immediate context.
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#include <algorithm>
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struct function
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{
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function() = default;
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template<typename F, typename = std::result_of_t<F&(int, int)>>
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function(F) { }
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bool operator()(int x, int y) const { return x < y; }
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};
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int main()
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{
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int a[2]{ 2, 1 };
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std::sort(a, a+2, function{});
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}
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