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 // UNSUPPORTED: libcpp-has-no-incomplete-ranges 12 13 // <ranges> 14 15 // template<class> 16 // inline constexpr bool enable_borrowed_range = false; 17 18 #include <ranges> 19 #include <array> 20 #include <deque> 21 #include <forward_list> 22 #include <list> 23 #include <map> 24 #include <queue> 25 #include <set> 26 #include <stack> 27 #include <unordered_map> 28 #include <unordered_set> 29 #include <vector> 30 31 #include "test_macros.h" 32 33 struct S {}; 34 35 void test() { 36 using std::ranges::enable_borrowed_range; 37 static_assert(!enable_borrowed_range<char>); 38 static_assert(!enable_borrowed_range<int>); 39 static_assert(!enable_borrowed_range<double>); 40 static_assert(!enable_borrowed_range<S>); 41 42 // Sequence containers 43 static_assert(!enable_borrowed_range<std::array<int, 0> >); 44 static_assert(!enable_borrowed_range<std::array<int, 42> >); 45 static_assert(!enable_borrowed_range<std::deque<int> >); 46 static_assert(!enable_borrowed_range<std::forward_list<int> >); 47 static_assert(!enable_borrowed_range<std::list<int> >); 48 static_assert(!enable_borrowed_range<std::vector<int> >); 49 50 // Associative containers 51 static_assert(!enable_borrowed_range<std::set<int> >); 52 static_assert(!enable_borrowed_range<std::map<int, int> >); 53 static_assert(!enable_borrowed_range<std::multiset<int> >); 54 static_assert(!enable_borrowed_range<std::multimap<int, int> >); 55 56 // Unordered associative containers 57 static_assert(!enable_borrowed_range<std::unordered_set<int> >); 58 static_assert(!enable_borrowed_range<std::unordered_map<int, int> >); 59 static_assert(!enable_borrowed_range<std::unordered_multiset<int> >); 60 static_assert(!enable_borrowed_range<std::unordered_multimap<int, int> >); 61 62 // Container adaptors 63 static_assert(!enable_borrowed_range<std::stack<int> >); 64 static_assert(!enable_borrowed_range<std::queue<int> >); 65 static_assert(!enable_borrowed_range<std::priority_queue<int> >); 66 67 // Both std::span and std::string_view have their own test. 68 } 69