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<class T>
12 // using iter_reference_t = decltype(*declval<T&>());
13 
14 #include <iterator>
15 
16 #include <concepts>
17 
18 #include "test_iterators.h"
19 
20 static_assert(std::same_as<std::iter_reference_t<cpp17_input_iterator<int*> >, int&>);
21 static_assert(std::same_as<std::iter_reference_t<forward_iterator<int*> >, int&>);
22 static_assert(std::same_as<std::iter_reference_t<bidirectional_iterator<int*> >, int&>);
23 static_assert(std::same_as<std::iter_reference_t<random_access_iterator<int*> >, int&>);
24