summaryrefslogtreecommitdiff
path: root/libcxx/test/std/utilities/function.objects/negators/not2.depr_in_cxx17.verify.cpp
blob: e6e1637f7e820e3b3046f8becfc235d69ef33250 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

// <functional>

// not2
//  deprecated in C++17

// UNSUPPORTED: c++03, c++11, c++14
// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX20_REMOVED_NEGATORS

#include <functional>

struct Predicate {
    typedef int first_argument_type;
    typedef int second_argument_type;
    bool operator()(first_argument_type, second_argument_type) const { return true; }
};

void f() {
    std::not2(Predicate()); // expected-warning {{'not2<Predicate>' is deprecated}}
}