28 lines
692 B
C++
28 lines
692 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <queue>
|
|
|
|
// class queue
|
|
|
|
// bool empty() const noexcept;
|
|
|
|
// UNSUPPORTED: c++03, c++11, c++14, c++17
|
|
|
|
#include <queue>
|
|
|
|
#include "test_macros.h"
|
|
|
|
int main(int, char**)
|
|
{
|
|
std::queue<int> c;
|
|
c.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
|
|
|
|
return 0;
|
|
}
|