libstdc++-v3/testsuite/20_util/tuple/element_access/get2_by_type.cc

   1 // { dg-do compile }
   2 // { dg-options "-std=gnu++14" }
   3
   4 // Copyright (C) 2013-2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11 //
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <tuple>
  22
  23 void test01()
  24 {
  25   std::tuple<int> t1;
  26
  27   int&&   t1one __attribute__((unused)) = std::get<int>(std::move(t1));
  28
  29   std::tuple<float, int> t2;
  30
  31   float&& t2one __attribute__((unused)) = std::get<0>(std::move(t2));
  32   int&&   t2two __attribute__((unused)) = std::get<int>(std::move(t2));
  33
  34   std::tuple<short, int, double> t3;
  35
  36   short&&  t3one __attribute__((unused)) = std::get<short>(std::move(t3));
  37   int&&    t3two __attribute__((unused)) = std::get<int>(std::move(t3));
  38   double&& t3thr __attribute__((unused)) = std::get<double>(std::move(t3));
  39 }