libstdc++: Remove unused alias template in std::optional
[official-gcc.git] / libstdc++-v3 / testsuite / 30_threads / promise / uses_allocator.cc
blob2050ae522241b23d4e77135985be88f79e461af9
1 // { dg-do compile { target c++11 } }
2 // { dg-require-gthreads "" }
4 // Copyright (C) 2011-2024 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.
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.
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/>.
22 #include <future>
23 #include <memory>
25 using std::uses_allocator;
26 using std::allocator;
27 using std::promise;
28 static_assert( uses_allocator<promise<int>, allocator<int>>::value,
29 "promise supports uses-allocator construction" );