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// { dg-do compile { target c++11 } }
// Copyright (C) 2007-2024 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// Tuple
#include <tuple>
#include <testsuite_hooks.h>
using namespace std;
int
main()
{
static_assert(tuple_size<tuple<>>::value == 0, "");
static_assert(tuple_size<tuple<int>>::value == 1, "");
static_assert(tuple_size<tuple<void>>::value == 1, "");
typedef tuple<int,const int&,void> test_tuple1;
static_assert(tuple_size<test_tuple1>::value == 3, "");
static_assert(tuple_size<tuple<tuple<void>>>::value == 1, "");
static_assert(tuple_size<const tuple<>>::value == 0, "");
static_assert(tuple_size<const tuple<int>>::value == 1, "");
static_assert(tuple_size<const tuple<void>>::value == 1, "");
static_assert(tuple_size<const test_tuple1>::value == 3, "");
static_assert(tuple_size<const tuple<tuple<void>>>::value == 1, "");
static_assert(tuple_size<volatile tuple<>>::value == 0, "");
static_assert(tuple_size<volatile tuple<int>>::value == 1, "");
static_assert(tuple_size<volatile tuple<void>>::value == 1, "");
static_assert(tuple_size<volatile test_tuple1>::value == 3, "");
static_assert(tuple_size<volatile tuple<tuple<void>>>::value == 1, "");
static_assert(tuple_size<const volatile tuple<>>::value == 0, "");
static_assert(tuple_size<const volatile tuple<int>>::value == 1, "");
static_assert(tuple_size<const volatile tuple<void>>::value == 1, "");
static_assert(tuple_size<const volatile test_tuple1>::value == 3, "");
static_assert(tuple_size<const volatile tuple<tuple<void>>>::value == 1,"");
}
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