blob: 56a4844a957a83279d1e057f41f80a85f9cddeb8 (
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
// Copyright (C) 2019 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/>.
// { dg-options "-std=gnu++2a" }
// { dg-do compile { target c++2a } }
#include <concepts>
static_assert( !std::default_constructible<void> );
static_assert( std::default_constructible<void*> );
static_assert( std::default_constructible<const void*> );
static_assert( std::default_constructible<char> );
static_assert( std::default_constructible<float> );
static_assert( std::default_constructible<const int> );
static_assert( std::default_constructible<int*> );
static_assert( !std::default_constructible<int&> );
static_assert( !std::default_constructible<int&&> );
static_assert( !std::default_constructible<const int&> );
static_assert( !std::default_constructible<int[]> );
static_assert( std::default_constructible<int[2]> );
static_assert( !std::default_constructible<int()> );
static_assert( std::default_constructible<int(*)()> );
static_assert( !std::default_constructible<int(&)()> );
enum E { };
static_assert( std::default_constructible<E> );
enum class CE { };
static_assert( std::default_constructible<CE> );
struct A { };
static_assert( std::default_constructible<A> );
union B { };
static_assert( std::constructible_from<B> );
struct C
{
C(void* = nullptr) { }
~C() noexcept(false) { }
};
static_assert( !std::default_constructible<C> );
class D
{
public:
D() { }
D(int) { }
private:
~D() { }
};
static_assert( !std::default_constructible<D> );
|
