forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
29 lines
788 B
C++
29 lines
788 B
C++
// -*- C++ -*-
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <unordered_set>
|
|
|
|
// class unordered_set
|
|
|
|
// bool empty() const noexcept;
|
|
|
|
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
|
|
// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
|
|
|
|
#include <unordered_set>
|
|
|
|
#include "test_macros.h"
|
|
|
|
int main ()
|
|
{
|
|
std::unordered_set<int> c;
|
|
c.empty(); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
|
|
}
|