//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// template<class I>
// concept __nothrow_input_iterator;
#include <memory>
#include "test_iterators.h"
struct InputProxyIterator {
using value_type = int;
using difference_type = int;
InputProxyIterator& operator++();
InputProxyIterator operator++(int);
int operator*() const;
};
static_assert(std::ranges::__nothrow_input_iterator<cpp20_input_iterator<int*>>);
static_assert(!std::ranges::__nothrow_input_iterator<cpp17_output_iterator<int*>>);
static_assert(std::input_iterator<InputProxyIterator>);
static_assert(!std::ranges::__nothrow_input_iterator<InputProxyIterator>);