d2baefae68
All supported compilers that support C++20 now support concepts. So, remove `_LIB_LIBCPP_HAS_NO_CONCEPTS` in favor of `_LIBCPP_STD_VER > 17`. Similarly in the tests, remove `// UNSUPPORTED: libcpp-no-concepts`. Differential Revision: https://reviews.llvm.org/D121528
25 lines
817 B
C++
25 lines
817 B
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
|
|
|
|
// <ranges>
|
|
|
|
// struct view_base { };
|
|
|
|
#include <ranges>
|
|
#include <type_traits>
|
|
|
|
static_assert(std::is_empty_v<std::ranges::view_base>);
|
|
static_assert(std::is_trivial_v<std::ranges::view_base>);
|
|
|
|
// Make sure we can inherit from it, as it's intended (that wouldn't be the
|
|
// case if e.g. it was marked as final).
|
|
struct View : std::ranges::view_base { };
|