65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
// Copyright (C) 2019-2020 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::regular<int> );
|
|
static_assert( std::regular<int*> );
|
|
static_assert( ! std::regular<int&> );
|
|
static_assert( ! std::regular<void> );
|
|
static_assert( ! std::regular<void()> );
|
|
static_assert( ! std::regular<void() noexcept> );
|
|
static_assert( ! std::regular<void() const> );
|
|
|
|
struct Trivial { };
|
|
static_assert( ! std::regular<Trivial> );
|
|
|
|
struct NotTrivial
|
|
{
|
|
NotTrivial() { }
|
|
~NotTrivial() { }
|
|
};
|
|
static_assert( ! std::regular<NotTrivial> );
|
|
|
|
struct NotDefaultConstructible
|
|
{
|
|
NotDefaultConstructible(int) { }
|
|
};
|
|
static_assert( ! std::regular<NotDefaultConstructible> );
|
|
|
|
struct HasReference
|
|
{
|
|
int& ref;
|
|
};
|
|
static_assert( ! std::regular<HasReference> );
|
|
|
|
struct HasEq { };
|
|
bool operator==(HasEq, HasEq) { return true; }
|
|
#ifdef __cpp_impl_three_way_comparison
|
|
static_assert( std::regular<HasEq> );
|
|
#else
|
|
static_assert( ! std::regular<HasEq> );
|
|
#endif
|
|
|
|
struct HasEqNeq { };
|
|
bool operator==(HasEqNeq, HasEqNeq) { return true; }
|
|
bool operator!=(HasEqNeq, HasEqNeq) { return false; }
|
|
static_assert( std::regular<HasEqNeq> );
|