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: gcc-10 12 13 // template<class T> 14 // concept range; 15 16 #include <ranges> 17 18 #include <vector> 19 20 #include "test_range.h" 21 22 namespace stdr = std::ranges; 23 24 static_assert(stdr::range<test_range<cpp20_input_iterator> >); 25 26 struct incompatible_iterators { 27 int* begin(); 28 long* end(); 29 }; 30 static_assert(!stdr::range<incompatible_iterators>); 31 32 struct int_begin_int_end { 33 int begin(); 34 int end(); 35 }; 36 static_assert(!stdr::range<int_begin_int_end>); 37 38 struct iterator_begin_int_end { 39 int* begin(); 40 int end(); 41 }; 42 static_assert(!stdr::range<iterator_begin_int_end>); 43 44 struct int_begin_iterator_end { 45 int begin(); 46 int* end(); 47 }; 48 static_assert(!stdr::range<int_begin_iterator_end>); 49