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 11 // template<range R> 12 // using range_difference_t = iter_difference_t<iterator_t<R>>; 13 14 // template<range R> 15 // using range_value_t = iter_value_t<iterator_t<R>>; 16 17 // template<range R> 18 // using range_reference_t = iter_reference_t<iterator_t<R>>; 19 20 // template<range R> 21 // using range_rvalue_reference_t = iter_rvalue_reference_t<iterator_t<R>>; 22 23 // template <range R> 24 // using range_common_reference_t = iter_common_reference_t<iterator_t<R>>; 25 26 #include <ranges> 27 28 #include <concepts> 29 30 #include "test_iterators.h" 31 #include "test_range.h" 32 33 static_assert(std::same_as<std::ranges::range_difference_t<test_range<cpp20_input_iterator> >, std::iter_difference_t<int*> >); 34 static_assert(std::same_as<std::ranges::range_value_t<test_range<cpp20_input_iterator> >, std::iter_value_t<int*> >); 35 static_assert(std::same_as<std::ranges::range_reference_t<test_range<cpp20_input_iterator> >, std::iter_reference_t<int*> >); 36 static_assert(std::same_as<std::ranges::range_rvalue_reference_t<test_range<cpp20_input_iterator> >, std::iter_rvalue_reference_t<int*> >); 37 static_assert(std::same_as<std::ranges::range_common_reference_t<test_range<cpp20_input_iterator> >, std::iter_common_reference_t<int*> >); 38