//===----------------------------------------------------------------------===//
//
// 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 T, class Pred>
// inline constexpr bool enable_borrowed_range<drop_while_view<T, Pred>> =
// enable_borrowed_range<T>;
#include <ranges>
struct NonBorrowed : std::ranges::view_base {
int* begin();
int* end();
};
struct Borrowed : std::ranges::view_base {
int* begin();
int* end();
};
struct Pred {
bool operator()(int) const;
};
template <>
inline constexpr bool std::ranges::enable_borrowed_range<Borrowed> = true;
static_assert(!std::ranges::borrowed_range<std::ranges::drop_while_view<NonBorrowed, Pred>>);
static_assert(std::ranges::borrowed_range<std::ranges::drop_while_view<Borrowed, Pred>>);