27 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// UNSUPPORTED: c++03, c++11, c++14, c++1710 11// template<class T>12// concept borrowed_range;13 14#include <ranges>15 16template <std::ranges::range R>17consteval bool check_subsumption() {18 return false;19}20 21template <std::ranges::borrowed_range R>22consteval bool check_subsumption() {23 return true;24}25 26static_assert(check_subsumption<int (&)[8]>());27