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-has-no-incomplete-ranges
11 
12 // <algorithm>
13 
14 // template<input_iterator I, sentinel_for<I> S, weakly_incrementable O, class T,
15 //          class Proj = identity>
16 //   requires indirectly_copyable<I, O> &&
17 //            indirect_binary_predicate<ranges::equal_to, projected<I, Proj>, const T*>
18 //   constexpr remove_copy_result<I, O>
19 //     remove_copy(I first, S last, O result, const T& value, Proj proj = {});                      // Since C++20
20 //
21 // template<input_range R, weakly_incrementable O, class T, class Proj = identity>
22 //   requires indirectly_copyable<iterator_t<R>, O> &&
23 //            indirect_binary_predicate<ranges::equal_to,
24 //                                      projected<iterator_t<R>, Proj>, const T*>
25 //   constexpr remove_copy_result<borrowed_iterator_t<R>, O>
26 //     remove_copy(R&& r, O result, const T& value, Proj proj = {});                                // Since C++20
27 
28 #include <algorithm>
29 #include <array>
30 #include <concepts>
31 #include <functional>
32 #include <ranges>
33 
34 #include "almost_satisfies_types.h"
35 #include "test_iterators.h"
36 
37 // TODO: SFINAE tests.
38 
39 constexpr bool test() {
40   // TODO: main tests.
41   // TODO: A custom comparator works.
42   // TODO: A custom projection works.
43 
44   return true;
45 }
46 
47 int main(int, char**) {
48   test();
49   static_assert(test());
50 
51   return 0;
52 }
53