summaryrefslogtreecommitdiff
path: root/libstdc++-v3/testsuite/20_util/tuple/element_access/constexpr_get_by_type.cc
blob: bccc12221c47b0692cd8eecb4a238ef2a2b174af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// { dg-options "-std=gnu++14" }
// { dg-do compile }

// Copyright (C) 2013-2015 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>

std::tuple<long, int, const int, long> ti;
const std::tuple<long, int, const int, long> cti;

constexpr const int& cri = std::get<int>(cti);
constexpr int&  ri = std::get<int>(ti);
constexpr int&& rri = std::get<int>(std::move(ti));