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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/20_util/make_signed/requirements/alias_decl.cc
1 // { dg-do compile { target c++14 } }
3 // Copyright (C) 2013-2024 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3. If not see
18 // <http://www.gnu.org/licenses/>.
20 #include <type_traits>
24 template<typename Trait
, typename Result
>
25 using test
= is_same
<typename
Trait::type
, Result
>;
27 static_assert( test
<make_signed
<const int>, make_signed_t
<const int>>(),
28 "make_signed_t<const int>" );
30 static_assert( test
<make_signed
<unsigned>, make_signed_t
<unsigned>>(),
31 "make_signed_t<unsigned>" );
33 static_assert( test
<make_signed
<char>, make_signed_t
<char>>(),
34 "make_signed_t<char>" );