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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// std::ranges::lazy_split_view::outer-iterator::value_type::end()
#include <ranges>
#include <cassert>
#include "../types.h"
constexpr bool test() {
// `View` is a forward range.
{
CopyableView input("a");
// Non-const.
{
SplitViewCopyable v(input, "b");
auto val = *v.begin();
static_assert(std::same_as<decltype(val.end()), std::default_sentinel_t>);
static_assert(noexcept(val.end()));
[[maybe_unused]] auto e = val.end();
}
// Const.
{
SplitViewCopyable v(input, "b");
const auto val = *v.begin();
static_assert(std::same_as<decltype(val.end()), std::default_sentinel_t>);
static_assert(noexcept(val.end()));
[[maybe_unused]] auto e = val.end();
}
}
// `View` is an input range.
{
InputView input("a");
// Non-const.
{
SplitViewInput v(input, 'b');
auto val = *v.begin();
static_assert(std::same_as<decltype(val.end()), std::default_sentinel_t>);
static_assert(noexcept(val.end()));
[[maybe_unused]] auto e = val.end();
}
// Const.
{
SplitViewInput v(input, 'b');
const auto val = *v.begin();
static_assert(std::same_as<decltype(val.end()), std::default_sentinel_t>);
static_assert(noexcept(val.end()));
[[maybe_unused]] auto e = val.end();
}
}
return true;
}
int main(int, char**) {
assert(test());
static_assert(test());
return 0;
}
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