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 | // Check that PSTL algorithms are marked [[nodiscard]] as a conforming extension |
10 | |
11 | // UNSUPPORTED: libcpp-has-no-incomplete-pstl |
12 | |
13 | // UNSUPPORTED: c++03, c++11, c++14 |
14 | |
15 | // clang-format off |
16 | |
17 | #include <algorithm> |
18 | #include <execution> |
19 | #include <iterator> |
20 | |
21 | void test() { |
22 | int a[] = {1}; |
23 | auto pred = [](auto) { return false; }; |
24 | std::all_of(exec: std::execution::par, first: std::begin(arr&: a), last: std::end(arr&: a), pred: pred); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
25 | std::any_of(exec: std::execution::par, first: std::begin(arr&: a), last: std::end(arr&: a), pred: pred); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
26 | std::none_of(exec: std::execution::par, first: std::begin(arr&: a), last: std::end(arr&: a), pred: pred); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
27 | std::is_partitioned(exec: std::execution::par, first: std::begin(arr&: a), last: std::end(arr&: a), pred: pred); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}} |
28 | } |
29 |