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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// type_traits
// is_const
#include <type_traits>
#include "test_macros.h"
template <class T>
void test_is_const()
{
static_assert(!std::is_const<T>::value, "");
static_assert( std::is_const<const T>::value, "");
static_assert(!std::is_const<volatile T>::value, "");
static_assert( std::is_const<const volatile T>::value, "");
#if TEST_STD_VER > 14
static_assert(!std::is_const_v<T>, "");
static_assert( std::is_const_v<const T>, "");
static_assert(!std::is_const_v<volatile T>, "");
static_assert( std::is_const_v<const volatile T>, "");
#endif
}
struct A; // incomplete
int main(int, char**)
{
test_is_const<void>();
test_is_const<int>();
test_is_const<double>();
test_is_const<int*>();
test_is_const<const int*>();
test_is_const<char[3]>();
test_is_const<char[]>();
test_is_const<A>();
static_assert(!std::is_const<int&>::value, "");
static_assert(!std::is_const<const int&>::value, "");
return 0;
}
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