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// Copyright (C) 2019-2023 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>
// signed integer types
static_assert( std::integral<signed char> );
static_assert( std::integral<signed short> );
static_assert( std::integral<signed int> );
static_assert( std::integral<signed long> );
static_assert( std::integral<signed long long> );
// unsigned integer types
static_assert( std::integral<unsigned char> );
static_assert( std::integral<unsigned short> );
static_assert( std::integral<unsigned int> );
static_assert( std::integral<unsigned long> );
static_assert( std::integral<unsigned long long> );
// other integral types
static_assert( std::integral<bool> );
static_assert( std::integral<char> );
static_assert( std::integral<char16_t> );
static_assert( std::integral<char32_t> );
static_assert( std::integral<wchar_t> );
#ifdef _GLIBCXX_USE_CHAR8_T
static_assert( std::integral<char8_t> );
#endif
#ifdef __GLIBCXX_TYPE_INT_N_0
static_assert( std::integral<signed __GLIBCXX_TYPE_INT_N_0> );
static_assert( std::integral<unsigned __GLIBCXX_TYPE_INT_N_0> );
#endif
static_assert( !std::integral<void> );
static_assert( !std::integral<float> );
static_assert( !std::integral<int*> );
static_assert( !std::integral<int&> );
static_assert( !std::integral<int&&> );
static_assert( !std::integral<const int&> );
static_assert( !std::integral<int[]> );
static_assert( !std::integral<int[2]> );
static_assert( !std::integral<int()> );
static_assert( !std::integral<int(*)()> );
static_assert( !std::integral<int(&)()> );
enum E { };
static_assert( !std::integral<E> );
enum class CE { };
static_assert( !std::integral<CE> );
struct A { };
static_assert( !std::integral<A> );
union B { };
static_assert( !std::integral<B> );
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