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 // UNSUPPORTED: libcpp-has-no-incomplete-ranges 13 14 // template<class T> 15 // concept range; 16 17 #include <ranges> 18 19 #include <vector> 20 21 #include "test_range.h" 22 23 namespace stdr = std::ranges; 24 25 static_assert(stdr::range<test_range<cpp20_input_iterator> >); 26 27 struct incompatible_iterators { 28 int* begin(); 29 long* end(); 30 }; 31 static_assert(!stdr::range<incompatible_iterators>); 32 33 struct int_begin_int_end { 34 int begin(); 35 int end(); 36 }; 37 static_assert(!stdr::range<int_begin_int_end>); 38 39 struct iterator_begin_int_end { 40 int* begin(); 41 int end(); 42 }; 43 static_assert(!stdr::range<iterator_begin_int_end>); 44 45 struct int_begin_iterator_end { 46 int begin(); 47 int* end(); 48 }; 49 static_assert(!stdr::range<int_begin_iterator_end>); 50