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 // UNSUPPORTED: libcpp-no-concepts 11 12 // <ranges> 13 14 // template<class> 15 // inline constexpr bool enable_borrowed_range = false; 16 17 #include <ranges> 18 #include <array> 19 #include <deque> 20 #include <forward_list> 21 #include <list> 22 #include <map> 23 #include <queue> 24 #include <set> 25 #include <stack> 26 #include <unordered_map> 27 #include <unordered_set> 28 #include <vector> 29 30 #include "test_macros.h" 31 32 struct S {}; 33 34 void test() { 35 using std::ranges::enable_borrowed_range; 36 static_assert(!enable_borrowed_range<char>); 37 static_assert(!enable_borrowed_range<int>); 38 static_assert(!enable_borrowed_range<double>); 39 static_assert(!enable_borrowed_range<S>); 40 41 // Sequence containers 42 static_assert(!enable_borrowed_range<std::array<int, 0> >); 43 static_assert(!enable_borrowed_range<std::array<int, 42> >); 44 static_assert(!enable_borrowed_range<std::deque<int> >); 45 static_assert(!enable_borrowed_range<std::forward_list<int> >); 46 static_assert(!enable_borrowed_range<std::list<int> >); 47 static_assert(!enable_borrowed_range<std::vector<int> >); 48 49 // Associative containers 50 static_assert(!enable_borrowed_range<std::set<int> >); 51 static_assert(!enable_borrowed_range<std::map<int, int> >); 52 static_assert(!enable_borrowed_range<std::multiset<int> >); 53 static_assert(!enable_borrowed_range<std::multimap<int, int> >); 54 55 // Unordered associative containers 56 static_assert(!enable_borrowed_range<std::unordered_set<int> >); 57 static_assert(!enable_borrowed_range<std::unordered_map<int, int> >); 58 static_assert(!enable_borrowed_range<std::unordered_multiset<int> >); 59 static_assert(!enable_borrowed_range<std::unordered_multimap<int, int> >); 60 61 // Container adaptors 62 static_assert(!enable_borrowed_range<std::stack<int> >); 63 static_assert(!enable_borrowed_range<std::queue<int> >); 64 static_assert(!enable_borrowed_range<std::priority_queue<int> >); 65 66 // Both std::span and std::string_view have their own test. 67 } 68