Louis Dionne 2d66ab5e8e
[libc++][NFC] Run the container tests through clang-format (#126499)
We've been improving these the tests for vector quite a bit and we are
probably not done improving our container tests. Formatting everything
at once will make subsequent reviews easier.
2025-02-11 06:17:39 +01:00

25 lines
770 B
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// <array>
// class array
// bool empty() const noexcept;
// UNSUPPORTED: c++03, c++11, c++14, c++17
#include <array>
void f() {
std::array<int, 1> c;
c.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
std::array<int, 0> c0;
c0.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
}