44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
// { dg-do compile { target c++11 } }
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// Copyright (C) 2007-2020 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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// Tuple
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#include <tuple>
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using namespace std;
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struct foo
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{ };
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int
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main()
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{
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// As foo isn't constructible from anything else, this
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// lets us check if type is returning foo when it should
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foo q1;
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tuple_element<0,tuple<foo,void,int> >::type q2(q1);
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tuple_element<2,tuple<void,int,foo> >::type q3(q1);
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tuple_element<0,const tuple<foo,void,int> >::type q4(q1);
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tuple_element<2,const tuple<void,int,foo> >::type q5(q1);
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tuple_element<0,volatile tuple<foo,void,int> >::type q6(q1);
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tuple_element<2,volatile tuple<void,int,foo> >::type q7(q1);
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tuple_element<0,const volatile tuple<foo,void,int> >::type q8(q1);
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tuple_element<2,const volatile tuple<void,int,foo> >::type q9(q1);
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}
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