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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/is_invocable/requirements/typedefs.cc
1 // { dg-options "-std=gnu++17" }
4 // Copyright (C) 2016-2019 Free Software Foundation, Inc.
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)
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/>.
21 // NB: This file is for testing type_traits with NO OTHER INCLUDES.
23 #include <type_traits>
27 // Check for required typedefs
28 typedef std::is_invocable
<int> test_type
;
29 static_assert( std::is_base_of_v
<std::false_type
, test_type
> );
34 // Check for required typedefs
35 typedef std::is_invocable_r
<void, int> test_type
;
36 static_assert( std::is_base_of_v
<std::false_type
, test_type
> );