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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
// nullptr_t
// is_null_pointer
// UNSUPPORTED: c++03, c++11
#include <type_traits>
#include <cstddef> // for std::nullptr_t
#include "test_macros.h"
template <class T>
void test_nullptr_imp()
{
static_assert(!std::is_void<T>::value, "");
static_assert( std::is_null_pointer<T>::value, "");
static_assert(!std::is_integral<T>::value, "");
static_assert(!std::is_floating_point<T>::value, "");
static_assert(!std::is_array<T>::value, "");
static_assert(!std::is_pointer<T>::value, "");
static_assert(!std::is_lvalue_reference<T>::value, "");
static_assert(!std::is_rvalue_reference<T>::value, "");
static_assert(!std::is_member_object_pointer<T>::value, "");
static_assert(!std::is_member_function_pointer<T>::value, "");
static_assert(!std::is_enum<T>::value, "");
static_assert(!std::is_union<T>::value, "");
static_assert(!std::is_class<T>::value, "");
static_assert(!std::is_function<T>::value, "");
}
template <class T>
void test_nullptr()
{
test_nullptr_imp<T>();
test_nullptr_imp<const T>();
test_nullptr_imp<volatile T>();
test_nullptr_imp<const volatile T>();
}
struct incomplete_type;
int main(int, char**)
{
test_nullptr<std::nullptr_t>();
// LWG#2582
static_assert(!std::is_null_pointer<incomplete_type>::value, "");
return 0;
}
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