1//===----------------------------------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10
11// template<class T>
12// inline constexpr bool enable_borrowed_range<ref_view<T>> = true;
13
14#include <ranges>
15
16#include "test_range.h"
17
18static_assert(std::ranges::borrowed_range<std::ranges::ref_view<BorrowedRange<>>>);
19static_assert(std::ranges::borrowed_range<std::ranges::ref_view<BorrowedView>>);
20static_assert(std::ranges::borrowed_range<std::ranges::ref_view<NonBorrowedView>>);
21

source code of libcxx/test/std/ranges/range.adaptors/range.all/range.ref.view/borrowing.compile.pass.cpp