blob: 06a8d7de59acb8fd713cd62ac3df4b95d97a5a7d [file] [log] [blame]
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <iterator>
// struct bidirectional_iterator_tag : public forward_iterator_tag {};
#include <iterator>
#include <type_traits>
#include "test_macros.h"
int main(int, char**)
{
std::bidirectional_iterator_tag tag;
((void)tag); // Prevent unused warning
static_assert((std::is_base_of<std::forward_iterator_tag,
std::bidirectional_iterator_tag>::value), "");
static_assert((!std::is_base_of<std::output_iterator_tag,
std::bidirectional_iterator_tag>::value), "");
return 0;
}