blob: 0497433d88f09959a292d4279951d61d931bf513 (
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
|
// { dg-options "-std=gnu++17" }
// { dg-do compile { target c++17 } }
// Copyright (C) 2018-2019 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/>.
#include <optional>
struct X
{
~X();
};
struct Y
{
Y(const Y&) = default;
Y(Y&&);
};
struct Z
{
Z(const Z&);
Z(Z&&) = default;
};
static_assert(std::is_trivially_copy_constructible_v<std::optional<int>>);
static_assert(std::is_trivially_move_constructible_v<std::optional<int>>);
static_assert(!std::is_trivially_copy_constructible_v<std::optional<X>>);
static_assert(!std::is_trivially_move_constructible_v<std::optional<X>>);
static_assert(std::is_trivially_copy_constructible_v<std::optional<Y>>);
static_assert(!std::is_trivially_move_constructible_v<std::optional<Y>>);
static_assert(!std::is_trivially_copy_constructible_v<std::optional<Z>>);
static_assert(std::is_trivially_move_constructible_v<std::optional<Z>>);
|
